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Groups > comp.sys.raspberry-pi > #11730 > unrolled thread

Is it a lost cause?

Started by"gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid>
First post2016-06-13 19:32 +0100
Last post2016-07-05 14:28 +0000
Articles 20 on this page of 788 — 65 participants

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Contents

  Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-13 19:32 +0100
    Re: Is it a lost cause? Melzzzzz <mel@zzzzz.com> - 2016-06-13 21:02 +0200
      Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-13 21:25 +0000
        Re: Is it a lost cause? rickman <gnuarm@gmail.com> - 2016-06-13 17:43 -0400
          Re: Is it a lost cause? Folderol <general@musically.me.uk> - 2016-06-13 23:05 +0100
            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:52 +0100
              Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-14 15:52 +0000
                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 16:55 +0100
                  Re: Is it a lost cause? rickman <gnuarm@gmail.com> - 2016-06-14 12:53 -0400
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 18:22 +0100
                      Re: Is it a lost cause? rickman <gnuarm@gmail.com> - 2016-06-14 13:27 -0400
                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 18:41 +0100
                          Re: Is it a lost cause? rickman <gnuarm@gmail.com> - 2016-06-14 15:05 -0400
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-20 14:09 +0100
        Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-13 23:07 +0100
          Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-13 23:02 +0000
            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:56 +0100
              Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 08:13 +0000
          Re: Is it a lost cause? Darren Salt <newsspam@moreofthespa.m.invalid> - 2016-06-17 03:39 +0100
            Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-17 08:46 +0200
              Re: Is it a lost cause? "A. Dumas" <alexandre@dumas.fr.invalid> - 2016-06-17 10:51 +0200
        Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-06-13 20:14 -0400
          Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-14 10:54 +0000
            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 11:57 +0100
            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 13:02 +0000
              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 14:45 +0100
                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 15:32 +0100
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 15:22 +0100
                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 19:56 +0000
              Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-14 15:30 +0000
                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 19:59 +0000
                  Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-14 23:42 +0000
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 07:48 +0000
                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-15 11:22 +0100
                        Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 11:28 +0000
                      Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-15 10:39 +0000
                    Re: Is it a lost cause? Dr J R Stockton <reply1600@merlyn.demon.co.uk.invalid> - 2016-06-18 13:56 +0100
            Re: Is it a lost cause? "Charles Richmond" <numerist@aquaporin4.com> - 2016-06-14 09:48 -0500
            Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-06-14 19:08 -0400
              Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-15 00:18 +0000
                Re: Is it a lost cause? Anonymous <no_email@invalid.invalid> - 2016-06-15 01:57 +0000
                  Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-15 11:05 +0000
                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 07:53 +0000
                  Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-15 10:53 +0000
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 11:24 +0000
                      Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-15 13:03 +0100
                        Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 12:53 +0000
                    Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-15 13:10 +0100
                      Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-15 12:28 +0000
                        Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-15 15:37 +0100
                          Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-15 20:19 +0300
                            Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-15 17:52 +0000
                              Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-15 21:08 +0300
                              Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-16 12:30 +0000
                                Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-16 12:46 +0000
                                  Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-17 12:53 +0000
                                    Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-17 16:09 +0300
                                Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-16 22:58 +0100
                            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 21:03 +0100
                              Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 20:12 +0000
                                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 21:24 +0100
                              Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-16 03:47 +0100
                              Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-02 23:55 -0400
                                Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-07-03 11:03 +0300
                                Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-03 10:20 -0400
                      Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 12:43 +0000
              Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-15 08:27 -0400
              Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-02 04:38 -0400
                Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-02 14:00 -0400
              Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-02 08:13 -0700
                Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-02 12:09 -0400
                Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-02 12:36 -0700
            Re: Is it a lost cause? Anonymous <no_email@invalid.invalid> - 2016-06-15 01:32 +0000
              Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 07:49 +0000
          Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-01 22:17 -0400
            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 09:10 +0000
            Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-02 12:26 -0400
              Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-07-02 21:35 +0300
                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-02 20:45 +0000
                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-02 22:14 +0100
                    Re: Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-02 21:42 +0000
                      Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-02 19:12 -0400
                        Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 22:41 -0400
                      Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-03 07:11 -0400
                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 11:33 +0000
                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 12:45 +0100
                            Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 12:36 +0000
                              Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-03 11:54 -0400
                            Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-03 13:33 +0000
                              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 15:20 +0100
                                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 15:38 +0000
                                  Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-03 12:03 -0400
                                    Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 17:18 +0000
                                Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 15:17 +0100
                                Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 18:28 +0100
                                  Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-05 03:14 +0100
                                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 06:17 +0100
                                      Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
                                        Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 14:53 +0100
                                          Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-05 09:55 -0400
                                            Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 15:15 +0100
                                            Re: Is it a lost cause? Lawrence Statton NK1G <lawrence@senguio.mx> - 2016-07-05 09:42 -0500
                                              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-05 15:51 +0100
                                            Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-04 14:45 +0000
                                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-04 14:54 +0000
                                  Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-04 12:06 -0400
                                Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-04 19:10 +0100
                                  Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-04 15:33 -0400
                                    Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-04 20:16 +0000
                                      Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-04 22:12 +0100
                                    Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-04 21:20 +0100
                                    Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-04 17:15 -0400
                                Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-04 12:42 +0000
                                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 14:26 +0100
                                    Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-04 17:33 +0100
                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 17:35 +0100
                                        Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-04 18:20 +0100
                                    Re: Is it a lost cause? "Osmium" <r124c4u102@comcast.net> - 2016-07-04 09:01 -0500
                                    Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 14:55 +0100
                                        Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 15:11 +0100
                                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 16:01 +0100
                                          Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-05 17:32 +0200
                                            Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-05 19:47 -0400
                                            Re: Is it a lost cause? Gene Wirchenko <genew@telus.net> - 2016-07-05 17:11 -0700
                                            Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                                        Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-05 21:08 -0400
                                        Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-06 14:44 +0100
                                            Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-07 12:52 +0000
                                      Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-05 18:19 +0100
                                        Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                                  Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-04 13:01 -0400
                            Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-03 11:30 -0400
                              Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-03 17:31 +0100
                            Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-03 11:54 -0400
                              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 17:30 +0100
                                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 17:57 +0000
                                  Re: Is it a lost cause? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-07-03 14:51 -0400
                                  Re: software origami, was Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-03 23:18 +0000
                                    Re: software origami, was Is it a lost cause? andrew@cucumber.demon.co.uk (Andrew Gabriel) - 2016-07-04 08:24 +0000
                              Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 17:20 +0000
                                Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-03 16:15 -0400
                            Re: ancient history, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-03 22:55 +0000
                              Re: ancient history, Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-04 06:35 +0100
                          Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-03 11:54 -0400
                      Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-03 11:22 -0400
                        Re: Is it a lost cause? "Charles Richmond" <numerist@aquaporin4.com> - 2016-07-03 12:33 -0500
                          Re: Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-03 22:57 +0000
                            Re: Is it a lost cause? "Charles Richmond" <numerist@aquaporin4.com> - 2016-07-04 15:47 -0500
                              Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-04 17:24 -0400
                      Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 22:31 -0400
                        Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-04 13:10 -0400
                          Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-05 01:47 -0400
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 21:56 +0000
                      Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 00:44 +0000
                        Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-03 00:55 +0000
                          Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 11:21 +0000
                            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-03 11:39 +0000
                              Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 12:21 +0000
                                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-03 13:06 +0000
                              Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-03 13:53 +0100
                                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-03 13:02 +0000
                    Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 01:16 +0000
                      Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-02 22:35 -0400
                        Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-02 23:23 -0400
                          Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-03 00:07 -0400
                            Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-03 11:20 -0400
                              Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-03 13:37 -0400
                                Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-03 22:41 -0400
                                  Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-04 13:22 -0400
                                  Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-04 10:59 -0400
                                    Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-04 14:49 -0400
                                    Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-04 15:33 -0400
                                    Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-04 12:06 -0400
                                      Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-04 10:00 -0700
                                      Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-05 01:42 -0400
                                        Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 08:52 +0100
                                        Re: Is it a lost cause? sidd@situ.com (sidd) - 2016-07-05 22:59 -0400
                                  Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-04 06:44 -0400
                                    Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-04 09:45 -0400
                    Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-03 07:11 -0400
                Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-02 19:12 -0400
                  Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-07-03 11:14 +0300
                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 12:04 +0100
                      Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-03 07:49 -0700
                      Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-03 11:26 -0400
                Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 21:53 -0400
                  Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-07-04 17:33 -0400
                  Re: self-modifying code, was Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-04 19:05 +0100
                    Re: self-modifying code, was Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-04 21:05 +0000
                      Re: self-modifying code, was Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 21:12 +0000
                      Re: self-modifying code, was Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 08:30 +0100
                        Re: self-modifying code, was Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-05 12:03 +0100
                  Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-04 06:43 +0100
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 18:39 +0000
                    Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 18:40 +0000
                    Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 18:42 +0000
                      Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 19:53 +0100
                        Re: self-modifying code, Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-04 15:20 -0400
                          Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 20:50 +0000
                            Re: self-modifying code, Is it a lost cause? Lawrence Statton NK1G <lawrence@senguio.mx> - 2016-07-04 16:28 -0500
                              Re: self-modifying code, Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-05 16:37 +0100
                          Re: self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-04 21:03 +0000
                            Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 21:08 +0000
                            Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 06:13 +0100
                              Re: self-modifying code, Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-05 06:36 -0400
                                Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 12:37 +0100
                                  Re: self-modifying code, Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
                                    Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 15:12 +0100
                                      Re: self-modifying code, Is it a lost cause? Raymond Wiker <rwiker@gmail.com> - 2016-07-05 20:09 +0200
                                        Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 19:52 +0100
                                          Re: self-modifying code, Is it a lost cause? Raymond Wiker <rwiker@gmail.com> - 2016-07-05 21:11 +0200
                                            Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 20:30 +0100
                                              Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-06 00:51 +0000
                                          Re: self-modifying code, Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 20:09 +0100
                                            Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 20:32 +0100
                                              Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-06 00:44 +0000
                                      Re: tiny old computers, was self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-05 21:08 +0000
                                        Re: tiny old computers, was self-modifying code, Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                                          Re: tiny old computers, was self-modifying code, Is it a lost cause? Rob <nomail@example.com> - 2016-07-06 15:01 +0000
                                            Re: tiny old computers, was self-modifying code, Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-07 12:52 +0000
                                      Re: self-modifying code, Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-05 20:49 -0400
                                        Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-06 10:45 +0100
                                          Re: self-modifying code, Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-06 12:05 +0200
                                            Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-06 11:41 +0100
                                            Re: self-modifying code, Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-06 08:59 -0400
                                      Re: self-modifying code, Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                                  Re: self-modifying code, Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-05 16:00 +0200
                                  Re: self-modifying code, Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-05 20:46 -0400
                            Re: self-modifying code, Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
                        Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-04 19:56 +0000
                          Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 20:52 +0000
                            Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-04 21:25 +0000
                          Re: stacks, was self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-04 21:12 +0000
                          Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 06:10 +0100
                            Re: self-modifying code, Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
                              Re: self-modifying code, Is it a lost cause? Lawrence Statton NK1G <lawrence@senguio.mx> - 2016-07-05 09:35 -0500
                                Re: self-modifying code, Is it a lost cause? Robert Riches <spamtrap42@jacob21819.net> - 2016-07-05 16:33 +0000
                                  Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-05 18:16 +0000
                                Re: self-modifying code, Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                            Re: self-modifying code, Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 15:05 +0100
                              Re: self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-05 21:12 +0000
                                Re: self-modifying code, Is it a lost cause? cb@elaine.df.lth.se (Christian Brunschen) - 2016-07-05 21:49 +0000
                                Re: self-modifying code, Is it a lost cause? "Charles Richmond" <numerist@aquaporin4.com> - 2016-07-06 06:12 -0500
                            Re: self-modifying code, Is it a lost cause? Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-07-05 08:51 -0600
                              Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 16:05 +0100
                      Re: self-modifying code, Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-07-04 23:04 +0300
                        Re: self-modifying code, Is it a lost cause? Rob <nomail@example.com> - 2016-07-04 20:35 +0000
                          Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 20:54 +0000
                            Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-04 21:12 +0000
                        Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 20:49 +0000
                        Re: self-modifying code, Is it a lost cause? mm0fmf <none@invalid.com> - 2016-07-04 21:54 +0100
                          Re: self-modifying code, Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-07-05 14:16 +0300
                          Re: self-modifying code, Is it a lost cause? Lawrence Statton NK1G <lawrence@senguio.mx> - 2016-07-05 09:40 -0500
                            Re: self-modifying code, Is it a lost cause? mm0fmf <none@invalid.com> - 2016-07-05 18:51 +0100
                              Re: self-modifying code, Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-07-05 21:08 +0300
                    Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-04 17:21 +0100
                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 17:28 +0100
                        Re: self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-04 16:38 +0000
                          Re: self-modifying code, Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 17:53 +0100
                            Re: self-modifying code, Is it a lost cause? Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-07-04 14:52 -0600
                              Re: self-modifying code, Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-04 17:22 -0400
                    Re: self-modifying code, was Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-04 16:35 +0000
                  Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-04 12:41 +0000
        Re: Is it a lost cause? Michael Black <et472@ncf.ca> - 2016-06-13 21:50 -0400
          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 09:00 +0100
      Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-13 23:03 +0100
        Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-13 23:37 +0000
          Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-13 20:43 -0400
            Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-14 11:05 +0000
              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 12:07 +0100
              Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-06-14 10:20 -0700
              Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-06-14 19:16 -0400
              Re: Is it a lost cause? Andy Leighton <andyl@azaal.plus.com> - 2016-06-15 08:01 -0500
                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 13:06 +0000
                  Re: Is it a lost cause? Folderol <general@musically.me.uk> - 2016-06-15 14:26 +0100
                Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-02 03:24 -0400
                  Re: Is it a lost cause? Folderol <general@musically.me.uk> - 2016-07-02 08:43 +0100
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 09:11 +0000
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 10:38 +0100
                    Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-02 07:56 -0700
                      Re: Is it a lost cause? "Osmium" <r124c4u102@comcast.net> - 2016-07-02 10:30 -0500
                        Re: Is it a lost cause? Folderol <general@musically.me.uk> - 2016-07-02 16:50 +0100
                      Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-02 17:21 +0100
                        Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 16:58 +0000
                        Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-02 11:52 -0700
                  Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 10:38 +0100
                    Re: Is it a lost cause? Andy Leighton <andyl@azaal.plus.com> - 2016-07-02 06:23 -0500
                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 13:02 +0100
                    Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 06:09 -0400
        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 09:01 +0100
          Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-14 13:09 +0100
            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 15:29 +0100
              Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-14 20:30 -0400
                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 08:57 +0100
                  Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-15 23:14 -0400
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-16 08:36 +0100
                    Re: Is it a lost cause? Andrew Swallow <am.swallow@btopenworld.com> - 2016-06-16 12:46 +0100
                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-16 13:25 +0100
                        Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-16 14:22 +0100
                      Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-02 22:33 -0400
            Re: Is it a lost cause? Mike Tomlinson <mike@jasper.org.uk> - 2016-06-14 23:24 +0100
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 11:02 +0100
                Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-15 12:02 +0100
                  Re: Is it a lost cause? rickman <gnuarm@gmail.com> - 2016-06-15 09:38 -0400
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:35 +0100
                    Re: Is it a lost cause? Rob Morley <nospam@ntlworld.com> - 2016-06-15 17:36 +0100
                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 21:02 +0100
                  Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:32 +0100
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 17:00 +0100
                    Re: Is it a lost cause? mm0fmf <none@invalid.com> - 2016-06-18 18:14 +0100
                      Re: Is it a lost cause? "Osmium" <r124c4u102@comcast.net> - 2016-06-18 12:25 -0500
      Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-06-13 20:11 -0400
        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 09:04 +0100
          Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-14 09:44 +0100
            Re: Is it a lost cause? Mike Tomlinson <mike@jasper.org.uk> - 2016-06-14 23:26 +0100
              Re: Is it a lost cause? JimP <solosam90@gmail.com> - 2016-06-14 20:43 -0500
          Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-14 15:48 +0000
          Re: Is it a lost cause? Darren Salt <newsspam@moreofthespa.m.invalid> - 2016-06-17 03:50 +0100
        Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 10:08 +0100
      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:42 +0100
        Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-14 15:50 +0000
          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 16:52 +0100
      Re: Is it a lost cause? Luke A. Guest <laguest@archeia.com> - 2016-07-01 20:28 +0100
        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-01 20:21 +0000
          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-01 23:10 +0100
            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-01 22:35 +0000
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 10:35 +0100
                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 09:53 +0000
                  Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 11:24 +0100
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 11:21 +0000
                      Re: Is it a lost cause? mm0fmf <none@invalid.com> - 2016-07-02 12:39 +0100
                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 13:01 +0100
                        Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 13:51 +0000
                          Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-02 12:26 -0400
                            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 17:32 +0100
                              Re: Is it a lost cause? Gene Wirchenko <genew@telus.net> - 2016-07-02 19:51 -0700
            Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-01 18:39 -0400
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 10:36 +0100
                Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-02 18:56 -0400
                  Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-02 19:14 -0400
                Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-07-03 15:28 +0000
                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 17:23 +0100
                    Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-07-03 17:35 +0000
                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-03 19:48 +0100
                        Re: Is it a lost cause? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-07-03 15:01 -0400
                          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-03 20:25 +0100
                          Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-03 13:17 -0700
                        Re: Is it a lost cause? Gordon Levi <gordon@address.invalid> - 2016-07-06 01:24 +1000
                          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-05 16:29 +0100
                            Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-05 12:09 -0400
                              Re: Is it a lost cause? Rob Morley <nospam@ntlworld.com> - 2016-07-05 17:38 +0100
                                Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 18:23 +0100
                                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-05 18:30 +0100
                                  Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-05 18:29 +0100
                          Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-05 23:07 +0200
                            Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-06 12:45 +0000
                              Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-06 09:05 -0400
                                Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-06 13:52 +0000
                              Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-06 07:37 -0700
                                Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-06 08:51 -0700
                              Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-06 15:09 -0400
                                Re: Is it a lost cause? Michael J. Mahon <mjmahon@aol.com> - 2016-07-07 00:26 -0500
                                  Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-07 13:12 +0000
                  Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-04 12:41 +0000
                    Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-07-04 12:47 +0000
                      Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
            Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-02 12:59 +0000
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-02 17:43 +0100
                Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-02 18:40 +0100
            Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-02 12:26 -0400
          Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-02 12:59 +0000
            Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-02 09:14 -0400
              Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-02 12:26 -0400
                Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-02 13:00 -0400
            Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-02 13:46 +0000
              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-02 14:59 +0100
                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-02 14:08 +0000
                Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-02 12:27 -0400
                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-02 17:34 +0100
                  Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-02 16:57 +0000
                Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 06:23 -0400
                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 12:06 +0100
              Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-03 13:33 +0000
                Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 15:17 +0100
                  Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 15:42 +0000
                    Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-04 12:41 +0000
                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-04 14:17 +0100
                        Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 15:10 +0100
                          Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-05 17:18 +0200
                          Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-05 17:28 +0000
                            Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 18:53 +0100
                            Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                              Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-06 21:34 +0100
                                Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-07 12:52 +0000
                                  Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-07 14:45 +0100
                                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-07 16:27 +0100
                                      Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-07 11:53 -0400
                                  Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-07 17:33 +0200
                                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-07 19:30 +0100
                                    Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-08 12:18 +0000
                          Re: Is it a lost cause? pechter@t61.(none) (William Pechter) - 2016-07-07 01:38 +0000
                            Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-07 13:19 +0000
                              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-07 14:22 +0100
                  Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-04 12:42 +0000
                    Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-04 22:30 +0200
                      Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-05 13:32 +0000
                        Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 15:25 +0100
                          Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-06 13:11 +0000
                            Re: Is it a lost cause? pechter@t61.(none) (William Pechter) - 2016-07-07 01:51 +0000
                              Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-07 07:47 +0000
                                Re: Is it a lost cause? Anonymous <no_email@invalid.invalid> - 2016-07-07 23:41 +0000
                                Re: Is it a lost cause? pechter@t61.(none) (William Pechter) - 2016-07-09 00:46 +0000
                                  Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-09 12:51 +0100
                                    Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 13:05 +0000
                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-09 14:12 +0100
                                        Re: Is it a lost cause? Gordon Henderson <gordon+usenet@drogon.net> - 2016-07-09 14:21 +0000
                                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-09 19:35 +0100
                                            Re: Is it a lost cause? Gordon Henderson <gordon+usenet@drogon.net> - 2016-07-09 18:55 +0000
                                        Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-07-09 10:40 -0400
                                          Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-09 09:02 -0700
                                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 15:28 +0000
                                    Re: Is it a lost cause? Gordon Henderson <gordon+usenet@drogon.net> - 2016-07-09 14:13 +0000
                                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-07-09 15:25 +0100
                                      Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-09 16:39 +0100
                                      Re: Is it a lost cause? Richard Ashbery <basura@invalid.addr.uk> - 2016-07-09 16:56 +0100
                                      Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 16:30 +0000
                                        Re: Is it a lost cause? Gordon Henderson <gordon+usenet@drogon.net> - 2016-07-09 18:43 +0000
                                          Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 21:52 +0000
                                      Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-07-09 18:25 +0000
                                        Re: Is it a lost cause? Gordon Henderson <gordon+usenet@drogon.net> - 2016-07-09 18:53 +0000
                                          Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-07-09 20:55 +0000
                                      Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-10 12:06 +0000
                                        Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-07-10 14:05 +0100
                                          Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-11 11:32 +0000
                                            Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-11 11:29 -0400
                                              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-11 16:57 +0100
                                                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-11 16:01 +0000
                                                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-11 17:27 +0100
                                                    Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-11 16:46 +0000
                                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-11 18:00 +0100
                                                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-11 18:39 +0000
                                              Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-11 16:44 +0000
                                                Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-11 17:59 +0100
                                          Re: Is it a lost cause? Robert Riches <spamtrap42@jacob21819.net> - 2016-07-12 01:47 +0000
                                      Re: Is it a lost cause? "A. Dumas" <alexandre@dumas.fr.invalid> - 2016-07-12 20:48 +0200
                                        Re: Is it a lost cause? Gordon Henderson <gordon+usenet@drogon.net> - 2016-07-13 06:34 +0000
                                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-13 13:34 +0000
                                          Re: Is it a lost cause? Gordon Henderson <gordon+usenet@drogon.net> - 2016-07-13 15:46 +0000
                              Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-07 13:23 +0000
                        Re: Is it a lost cause? Lawrence Statton NK1G <lawrence@senguio.mx> - 2016-07-05 09:49 -0500
                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 16:04 +0100
                          Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-05 17:20 +0000
                        Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-05 16:43 +0200
                          Re: Is it a lost cause? cb@elaine.df.lth.se (Christian Brunschen) - 2016-07-05 19:30 +0000
                            Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-05 20:32 -0400
                        Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-05 17:19 +0000
                        Re: Is it a lost cause? pechter@t61.(none) (William Pechter) - 2016-07-07 01:48 +0000
                          Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-07 12:52 +0000
                            Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-07 15:30 +0000
                            Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-07 17:36 +0200
                            Re: Is it a lost cause? pechter@t61.(none) (William Pechter) - 2016-07-08 20:43 +0000
                              Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-09 14:18 +0000
                      Re: Is it a lost cause? antispam@math.uni.wroc.pl - 2016-07-06 00:28 +0000
                Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-03 17:32 +0200
        Re: Is it a lost cause? Dr J R Stockton <reply1600@merlyn.demon.co.uk.invalid> - 2016-07-02 19:20 +0100
    Re: Is it a lost cause? Rambo <Rambo@thisaintreal.org> - 2016-06-13 20:07 +0100
      Re: Is it a lost cause? Melzzzzz <mel@zzzzz.com> - 2016-06-13 21:42 +0200
      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:43 +0100
        Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 08:12 +0000
          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 09:17 +0100
            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 08:31 +0000
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 09:44 +0100
    Re: Is it a lost cause? "Kerr Mudd-John" <admin@127.0.0.1> - 2016-06-13 21:25 +0100
      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:44 +0100
    Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-13 20:29 +0000
      Re: Is it a lost cause? Michael Black <et472@ncf.ca> - 2016-06-13 21:48 -0400
        Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-14 08:11 +0100
          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:49 +0100
            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 08:14 +0000
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 09:23 +0100
                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 08:33 +0000
                  Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 09:46 +0100
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 10:22 +0000
                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 11:36 +0100
                        Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 12:01 +0100
                          OT was Re: Is it a lost cause? "Kerr Mudd-John" <admin@127.0.0.1> - 2016-06-14 12:09 +0100
                    Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-14 11:59 +0100
                      Re: Is it a lost cause? Michael Black <et472@ncf.ca> - 2016-06-14 12:30 -0400
                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 18:21 +0100
                        Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 19:51 +0100
                        Re: Is it a lost cause? Gene Wirchenko <genew@telus.net> - 2016-06-14 15:24 -0700
                    Re: Is it a lost cause? Folderol <general@musically.me.uk> - 2016-06-14 17:07 +0100
                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 17:14 +0100
              Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-14 16:45 +0200
                Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-14 20:34 -0400
                  Re: Is it a lost cause? "A. Dumas" <alexandre@dumas.fr.invalid> - 2016-06-15 11:44 +0200
                    Re: Is it a lost cause? Rob Morley <nospam@ntlworld.com> - 2016-06-15 17:21 +0100
                    Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-15 23:15 -0400
                    Re: Is it a lost cause? "A. Dumas" <alexandre@dumas.fr.invalid> - 2016-06-16 13:42 +0200
                  Symbolics [Re: Is it a lost cause?] colonel_hack@yahoo.com - 2016-06-15 17:08 -0700
                Re: Is it a lost cause? David Wade <dave.g4ugm@gmail.com> - 2016-06-15 10:05 +0100
                  Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 09:10 +0000
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 10:29 +0100
                      Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 09:41 +0000
                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 10:42 +0100
                          Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 11:29 +0000
        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:47 +0100
          Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-14 06:24 -0400
            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 11:37 +0100
              Re: Is it a lost cause? Rob Morley <nospam@ntlworld.com> - 2016-06-14 13:42 +0100
                Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 13:53 +0100
                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 15:20 +0100
                  Re: Is it a lost cause? Brian Reay <no.sp@m.com> - 2016-06-14 08:35 -0700
          Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-14 11:45 +0100
            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 15:18 +0100
              Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-14 15:57 +0100
                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 16:03 +0100
                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 16:10 +0100
                  Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-14 15:36 +0000
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 16:40 +0100
                  Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 20:02 +0000
                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 21:13 +0100
                      Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 20:59 +0000
                        Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 22:19 +0100
                          Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-14 21:58 +0000
                            Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 23:15 +0100
                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 23:23 +0100
                          Re: Is it a lost cause? "Kerr Mudd-John" <admin@127.0.0.1> - 2016-06-15 10:01 +0100
                            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 10:40 +0100
                              Re: Is it a lost cause? "Kerr Mudd-John" <admin@127.0.0.1> - 2016-06-15 12:19 +0100
                                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:37 +0100
                            Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-15 11:39 +0100
                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 16:10 +0100
                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 16:19 +0100
                    Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-14 15:39 +0000
                    Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-06-14 13:53 -0400
                      Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-14 18:17 +0000
                        Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-14 21:50 +0300
                  Re: Is it a lost cause? Gordon Levi <gordon@address.invalid> - 2016-06-15 01:59 +1000
                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 17:06 +0100
                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 19:50 +0100
                      Re: Is it a lost cause? Gordon Levi <gordon@address.invalid> - 2016-06-15 19:44 +1000
                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 10:55 +0100
                          Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-15 11:49 +0100
                            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 11:31 +0000
                              Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-15 08:27 -0400
                              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:29 +0100
                                Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-15 18:20 +0200
                            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:27 +0100
                              Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-15 17:18 +0100
                                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 20:58 +0100
                                  Re: Is it a lost cause? AndyW <Andy@nojunqmail.com> - 2016-06-16 07:38 +0100
                                  Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-16 08:59 +0100
                                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-16 11:30 +0100
                                      Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-16 12:30 +0000
                                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-16 13:34 +0100
                                          Re: Is it a lost cause? Andy Leighton <andyl@azaal.plus.com> - 2016-06-16 07:49 -0500
                                          Re: Is it a lost cause? "Kerr Mudd-John" <admin@127.0.0.1> - 2016-06-17 12:26 +0100
                                          Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-17 12:53 +0000
                                            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-17 13:06 +0000
                                            Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-17 14:10 +0100
                                            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-17 20:11 +0100
                                              Re: Is it a lost cause? Steve Hall <sweet_stevie@invalid.invalid> - 2016-06-17 19:42 +0000
                                              Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-17 17:04 -0400
                                                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-17 22:54 +0100
                                                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-18 10:48 +0000
                                                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-18 12:07 +0100
                                                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-18 11:16 +0000
                                                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-18 12:40 +0100
                                                Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-18 13:00 +0000
                                                  Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-18 11:49 -0400
                                                    Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-18 17:10 +0100
                                                    Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-19 13:31 +0000
                                              Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-18 12:59 +0000
                                                Re: Is it a lost cause? JimP <solosam90@gmail.com> - 2016-06-18 16:05 -0500
                                              Re: Is it a lost cause? Gene Wirchenko <genew@telus.net> - 2016-06-18 19:04 -0700
                                        Re: Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-06-16 09:37 -0700
                                      Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-16 14:42 +0100
                    Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-06-14 13:55 -0400
                      Re: Is it a lost cause? Gordon Levi <gordon@address.invalid> - 2016-06-15 20:12 +1000
                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 11:18 +0100
                          Re: Is it a lost cause? Gordon Levi <gordon@address.invalid> - 2016-06-16 01:47 +1000
                            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:53 +0100
                              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 22:37 +0100
                                Re: Is it a lost cause? "Kerr Mudd-John" <admin@127.0.0.1> - 2016-06-16 09:49 +0100
                      Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-15 13:05 +0000
                    Re: Is it a lost cause? David Wade <dave.g4ugm@gmail.com> - 2016-06-15 10:23 +0100
                      Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-15 13:05 +0000
                        Re: Is it a lost cause? Gordon Levi <gordon@address.invalid> - 2016-06-16 01:55 +1000
                          Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-16 12:30 +0000
                      Re: Is it a lost cause? Gordon Levi <gordon@address.invalid> - 2016-06-18 02:03 +1000
                        Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-17 16:24 +0000
                          Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-17 18:53 +0100
                            Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-17 17:04 -0400
                              Re: Is it a lost cause? Gene Wirchenko <genew@telus.net> - 2016-06-17 20:05 -0700
                        Re: Is it a lost cause? JimP <solosam90@gmail.com> - 2016-06-17 12:27 -0500
                          Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-17 17:04 -0400
                            Re: Is it a lost cause? JimP <solosam90@gmail.com> - 2016-06-17 16:29 -0500
                              Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-17 22:35 +0000
                                Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-17 19:54 -0400
                                  Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-18 10:15 +0200
                                    Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-18 10:32 +0100
                                      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-18 12:05 +0100
                                        Re: Is it a lost cause? Gene Wirchenko <genew@telus.net> - 2016-06-18 04:52 -0700
                                          Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-18 12:59 +0100
                                        Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-18 17:32 +0100
                                    Re: Is it a lost cause? cb@elaine.df.lth.se (Christian Brunschen) - 2016-06-18 17:36 +0000
                                  Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-18 09:08 +0100
                                    Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-18 12:47 +0000
                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-18 14:26 +0100
                                      Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-18 13:58 +0000
                                      Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-18 11:49 -0400
                                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-18 18:52 +0000
                                      Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-18 17:53 +0200
                                        Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-06-18 15:37 -0400
                                      Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-18 16:45 +0100
                                  Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-18 09:53 +0000
                                    Re: Is it a lost cause? Folderol <general@musically.me.uk> - 2016-06-18 11:02 +0100
                                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-18 11:13 +0100
                                      Re: Is it a lost cause? Coos Haak <chforth@hccnet.nl> - 2016-06-18 15:19 +0200
                                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-18 14:35 +0100
                                      Re: Is it a lost cause? "A. Dumas" <alexandre@dumas.fr.invalid> - 2016-06-18 16:50 +0200
                                        Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-18 16:58 +0100
                                          Re: Is it a lost cause? "A. Dumas" <alexandre@dumas.fr.invalid> - 2016-06-18 19:09 +0200
                                    Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-18 13:11 +0200
                                    Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-18 12:59 +0000
                                    Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-18 17:13 +0300
                                      Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-18 14:40 +0000
                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-18 16:56 +0100
                                        Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-18 21:58 +0300
                                  Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-18 10:49 +0000
                                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-18 12:03 +0100
                                      Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-18 11:17 +0000
                                        Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-18 12:25 +0100
                                      Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-18 17:04 +0100
                                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-18 18:31 +0000
                                      Re: Is it a lost cause? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-06-19 18:31 +0000
                                        Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-19 21:49 +0300
                                          Re: Is it a lost cause? AndyW <Andy@nojunqmail.com> - 2016-06-20 07:41 +0100
                                            Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 05:49 -0400
                                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-19 19:54 +0100
                                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-19 19:55 +0100
                                          Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-19 15:24 -0400
                                        Re: Is it a lost cause? Andy Leighton <andyl@azaal.plus.com> - 2016-06-19 14:13 -0500
                                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-19 22:12 +0000
                                          Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-06-19 19:24 -0400
                                            Re: Is it a lost cause? Michael Black <et472@ncf.ca> - 2016-06-20 00:27 -0400
                                            Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-20 11:25 +0000
                                              Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-20 12:10 +0000
                                                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-20 17:24 +0000
                                                  Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-20 18:29 +0100
                                                    Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-20 17:57 +0000
                                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-20 19:18 +0100
                                                      Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-20 21:18 +0300
                                                        Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-20 18:38 +0000
                                                        Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-20 20:57 +0100
                                                    Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-20 18:25 +0000
                                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-20 20:17 +0100
                                                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-20 19:41 +0000
                                                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-20 20:52 +0100
                                                        Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-20 23:02 +0300
                                                          Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 06:01 -0400
                                                            Re: Is it a lost cause? Charlie <cdknospam@msn.com> - 2016-07-03 13:50 -0400
                                                              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 20:11 +0100
                                                                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-03 23:05 +0000
                                                                Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-04 07:05 +0100
                                                                  Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-07-05 12:56 +0200
                                                                    Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 12:54 +0100
                                                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 13:14 +0100
                                                                        Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-07-05 16:19 +0100
                                                                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-05 16:51 +0100
                                                                Re: Is it a lost cause? Charlie <cdknospam@msn.com> - 2016-07-04 01:12 -0400
                                                        Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-20 21:18 +0000
                                                          Re: Is it a lost cause? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-06-20 19:04 -0400
                                                            Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-21 06:16 +0000
                                                    Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-06-20 20:01 +0000
                                                    Re: Is it a lost cause? Rob Morley <nospam@ntlworld.com> - 2016-06-20 21:29 +0100
                                              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-20 13:37 +0100
                                          Re: Is it a lost cause? Michael Black <et472@ncf.ca> - 2016-06-20 00:29 -0400
                                            Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-20 06:25 +0100
                                            Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-20 06:57 +0000
                                            Re: Is it a lost cause? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-20 10:09 +0300
                                            Re: Is it a lost cause? Lawrence Statton NK1G <lawrence@senguio.mx> - 2016-06-20 08:31 -0500
                                            Re: Is it a lost cause? "Charles Richmond" <numerist@aquaporin4.com> - 2016-06-20 13:50 -0500
                                        Re: Is it a lost cause? jeffj@panix.com (Jeff Jonas) - 2016-07-03 05:43 -0400
                                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-07-03 12:07 +0100
                                            Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-07-03 13:33 +0000
                                Re: Is it a lost cause? "A. Dumas" <alexandre@dumas.fr.invalid> - 2016-06-18 10:47 +0200
                                  Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-18 10:38 +0100
                                    Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-18 18:52 -0400
                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-19 10:55 +0100
                                  Re: Is it a lost cause? JimP <solosam90@gmail.com> - 2016-06-18 15:58 -0500
                                Re: Is it a lost cause? JimP <solosam90@gmail.com> - 2016-06-18 15:37 -0500
                                  Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-18 21:07 +0000
                            Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-17 22:27 +0000
                              Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-18 10:06 +0200
                                Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-18 12:31 +0000
                                  Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-18 11:49 -0400
                                    Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-18 18:17 +0000
                                  Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-18 18:47 -0400
                                Re: Is it a lost cause? Andreas Eder <a_eder_muc@web.de> - 2016-06-19 12:13 +0200
                                  Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-19 08:10 -0400
                                Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-19 10:59 +0000
                                  Re: Is it a lost cause? Andrew Swallow <am.swallow@btinternet.com> - 2016-06-19 18:13 +0100
                                    Re: Is it a lost cause? Robert Riches <spamtrap42@jacob21819.net> - 2016-06-21 03:09 +0000
                        Re: Is it a lost cause? David Wade <dave.g4ugm@gmail.com> - 2016-06-17 19:59 +0100
                          Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-17 17:04 -0400
                      Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-17 17:40 +0000
                        Re: Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-06-17 17:04 -0400
                          Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-17 22:25 -0400
                            Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-06-18 10:56 -0400
                              Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-18 19:00 -0400
                                Re: Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-06-18 19:33 -0400
                                Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-19 10:46 +0100
                                  Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-19 10:51 +0000
                                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-19 12:30 +0100
                                      Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-19 13:03 +0100
                                      Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-19 16:32 +0000
                                        Re: Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-19 17:17 +0000
                                          Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-19 18:19 +0100
                                            Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-20 07:53 +0100
                                          Re: Is it a lost cause? Folderol <general@musically.me.uk> - 2016-06-19 18:44 +0100
                                          Re: Is it a lost cause? mm0fmf <none@invalid.com> - 2016-06-19 21:08 +0100
                                          Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-06-20 11:16 +0000
                                            Re: Is it a lost cause? David Taylor <david-taylor@blueyonder.co.uk.invalid> - 2016-06-20 15:26 +0100
                                              Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-20 16:44 +0100
                                              Re: Is it a lost cause? alister <alister.ware@ntlworld.com> - 2016-06-20 20:07 +0000
                                    Re: Is it a lost cause? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-06-19 18:32 +0000
                                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-19 19:35 +0100
                                      Re: Is it a lost cause? Rob <nomail@example.com> - 2016-06-19 19:33 +0000
                  Re: Is it a lost cause? Michael Black <et472@ncf.ca> - 2016-06-14 12:34 -0400
                    Re: Is it a lost cause? Morten Reistad <first@last.name.invalid> - 2016-06-14 22:12 +0200
                      Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-14 21:33 +0100
                    Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-15 07:23 +0100
                  Re: Is it a lost cause? jmfbahciv <See.above@aol.com> - 2016-06-15 13:05 +0000
                    Re: Is it a lost cause? The Natural Philosopher <tnp@invalid.invalid> - 2016-06-15 14:15 +0100
              Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:50 +0100
            Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 16:07 +0100
              Re: Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-06-14 15:45 +0000
                Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 16:51 +0100
                  Re: Is it a lost cause? Ahem A Rivet's Shot <steveo@eircom.net> - 2016-06-15 07:58 +0100
                    Re: Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-06-15 08:41 +0000
      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-14 08:46 +0100
        Re: Is it a lost cause? "J. Clarke" <j.clarke.873638@gmail.com> - 2016-06-14 06:31 -0400
    Re: Is it a lost cause? Steve Drain <steve@kappa.me.uk> - 2016-06-15 12:08 +0100
      Re: Is it a lost cause? "gareth G4SDW GQRP #3339" <no.spam@thank.you.invalid> - 2016-06-15 16:36 +0100
    Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-04 21:31 +0000
      Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-05 14:16 +0000
        Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-05 15:42 +0000
          Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-05 17:54 +0000
            Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-05 18:33 +0000
              Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-06 01:14 +0000
                Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-06 07:19 +0000
    Re: self-modifying code, Is it a lost cause? Rob <nomail@example.com> - 2016-07-04 21:42 +0000
    Re: stacks, was self-modifying code, Is it a lost cause? Rob <nomail@example.com> - 2016-07-04 21:47 +0000
    Re: self-modifying code, Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-04 17:55 -0400
      Re: S/360 stacks, was self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-05 02:46 +0000
        Re: S/360 stacks, was self-modifying code, Is it a lost cause? David Wade <dave.g4ugm@gmail.com> - 2016-07-05 08:58 +0100
          Re: S/360 stacks, was self-modifying code, Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-05 07:54 -0700
            Re: S/360 stacks, was self-modifying code, Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-05 15:43 -0700
          Re: S/360 stacks, was self-modifying code, Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-05 11:57 -0400
            Re: S/360 stacks, was self-modifying code, Is it a lost cause? Rob <nomail@example.com> - 2016-07-05 16:06 +0000
              Re: S/360 stacks, was self-modifying code, Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-05 14:05 -0400
                Re: S/360 stacks, was self-modifying code, Is it a lost cause? Lawrence Statton NK1G <lawrence@senguio.mx> - 2016-07-05 13:24 -0500
                  Re: S/360 stacks, was self-modifying code, Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-05 14:29 -0400
                    Re: S/360 stacks, was self-modifying code, Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-05 19:59 +0000
                Re: S/360 stacks, was self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-05 18:31 +0000
                  Re: S/360 stacks, was self-modifying code, Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-05 15:32 -0400
                    Re: S/360 stacks, was self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-05 20:05 +0000
                      Re: S/360 stacks, was self-modifying code, Is it a lost cause? Dan Espen <despen@verizon.net> - 2016-07-05 22:36 -0400
                        Re: S/360 stacks, was self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-06 07:14 +0000
                        Re: S/360 stacks, was self-modifying code, Is it a lost cause? Rob <nomail@example.com> - 2016-07-06 07:59 +0000
                  Re: S/360 stacks, was self-modifying code, Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-05 19:59 +0000
                    Re: S/360 stacks, was self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-05 20:05 +0000
                Re: S/360 stacks, was self-modifying code, Is it a lost cause? scott@slp53.sl.home (Scott Lurndal) - 2016-07-05 19:57 +0000
          Re: S/360 stacks, was self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-05 21:16 +0000
            Re: S/360 stacks, was self-modifying code, Is it a lost cause? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-07-05 15:38 -0700
      Re: self-modifying code, Is it a lost cause? Dennis <dennis@none.none> - 2016-07-04 19:55 -0500
        Re: self-modifying code, Is it a lost cause? "Charles Richmond" <numerist@aquaporin4.com> - 2016-07-05 12:46 -0500
          Re: 360 architecture, was self-modifying code, Is it a lost cause? John Levine <johnl@iecc.com> - 2016-07-05 21:11 +0000
          Re: self-modifying code, Is it a lost cause? Peter Flass <peter_flass@yahoo.com> - 2016-07-05 20:32 -0400
            Re: self-modifying code, Is it a lost cause? Bob Eager <news0006@eager.cx> - 2016-07-06 07:20 +0000
      Re: self-modifying code, Is it a lost cause? Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-05 14:28 +0000

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#12396 — Re: self-modifying code, Is it a lost cause?

FromPeter Flass <peter_flass@yahoo.com>
Date2016-07-04 17:55 -0400
SubjectRe: self-modifying code, Is it a lost cause?
Message-ID<1107158795.489361340.954697.peter_flass-yahoo.com@news.eternal-september.org>
In reply to#11730
Martin Gregorie <martin@address-in-sig.invalid> wrote:
> On Mon, 04 Jul 2016 19:53:46 +0100, The Natural Philosopher wrote:
> 
>> Are you telling me a PDP 8 didnt have  a stack pointer?
>> 
> A lot of processors didn't have stack pointers until quite late, e.g. all 
> the ICL 1900 mainframes. I think the IBM S/360 and S/370 may not have had 
> them either.
> 

Or any stack instructions.  The functions of a stack were performed on
OS/360 by a chain of register saveareas maintained mostly by software.  I
believe VM handled things differently, but I'm not sure exactly how.




-- 
Pete

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#12423 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromJohn Levine <johnl@iecc.com>
Date2016-07-05 02:46 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<nlf722$1gom$1@miucha.iecc.com>
In reply to#12396
>> Or any stack instructions.  The functions of a stack were performed on
>> OS/360 by a chain of register saveareas maintained mostly by software.  I
>> believe VM handled things differently, but I'm not sure exactly how.

VM was (and is) a virtual machine system, so its programming
environment is what the hardware gives you, plus a bunch of stuff
implemented via trapping reserved instructions that handle shared
memory, the virtual card chutes from one machine's simulated punch to
another's reader, and the like.

For interactive use the usual environment was CMS, a single user
monitor that provded a software environment similar enough to OS that
it could run the same compilers.

[toc] | [prev] | [next] | [standalone]


#12472 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromDavid Wade <dave.g4ugm@gmail.com>
Date2016-07-05 08:58 +0100
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<nlfpb7$58u$1@news.albasani.net>
In reply to#12423
On 05/07/2016 03:46, John Levine wrote:
>>> Or any stack instructions.  The functions of a stack were performed on
>>> OS/360 by a chain of register saveareas maintained mostly by software.  I
>>> believe VM handled things differently, but I'm not sure exactly how.
>
> VM was (and is) a virtual machine system, so its programming
> environment is what the hardware gives you, plus a bunch of stuff
> implemented via trapping reserved instructions that handle shared
> memory, the virtual card chutes from one machine's simulated punch to
> another's reader, and the like.
>
> For interactive use the usual environment was CMS, a single user
> monitor that provded a software environment similar enough to OS that
> it could run the same compilers.
>
All the IBM Mainframe "VM" operating systems consist of at least two 
operating systems.

CP which is often called VM, which is there to provide virtual Machines. 
Originally these were pretty basic Virtual Machines which looked exactly 
like a real S/370 to any program running in them.

Internally CP has a large number of control blocks which are chained 
together to manage the real hardware, the virtual machines and virtual 
hardware, and how they are mapped. I am not aware of any stack.

There is some use of OS type register save areas.

traditionally, when used to provide an interactive computing 
environment, CP was used to provide each used with a Virtual 370.

The user then loads the CMS Operating system into the VM. CMS is a 
single user operating system that provides a native CMS environment and 
DOS and OS emulated environments. Internally it uses OS style 
call/save/return mapping.

I don't believe that modern Z hardware has a hardware stack. There are 
still no PUSH/POP type instructions. For languages that need a stack 
generally a stack area is allocated when a program is loaded and one of 
the 16 General Purpose Registers is then used as a stack pointer, but in 
general it has to be incremented/decremented by a second instruction...

Dave
G4UGM

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#12506 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromAnne & Lynn Wheeler <lynn@garlic.com>
Date2016-07-05 07:54 -0700
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<87bn2cp22s.fsf@garlic.com>
In reply to#12472
David Wade <dave.g4ugm@gmail.com> writes:
> All the IBM Mainframe "VM" operating systems consist of at least two
> operating systems.
>
> CP which is often called VM, which is there to provide virtual
> Machines. Originally these were pretty basic Virtual Machines which
> looked exactly like a real S/370 to any program running in them.
>
> Internally CP has a large number of control blocks which are chained
> together to manage the real hardware, the virtual machines and virtual
> hardware, and how they are mapped. I am not aware of any stack.
>
> There is some use of OS type register save areas.
>
> traditionally, when used to provide an interactive computing
> environment, CP was used to provide each used with a Virtual 370.
>
> The user then loads the CMS Operating system into the VM. CMS is a
> single user operating system that provides a native CMS environment
> and DOS and OS emulated environments. Internally it uses OS style
> call/save/return mapping.
>
> I don't believe that modern Z hardware has a hardware stack. There are
> still no PUSH/POP type instructions. For languages that need a stack
> generally a stack area is allocated when a program is loaded and one
> of the 16 General Purpose Registers is then used as a stack pointer,
> but in general it has to be incremented/decremented by a second
> instruction...

original cp67 had a form of (software) stack ... 100 pre-allocated save
areas. all calls/return were done by SVC call ... SVC interrupt handler
would allocate/deallocate savearea for use by called routine. the svc
call accounted for significant percentage of total CPU time spent in the
kerenel.

As undergraduate in the 60s, I made two changes, 1) svc call routine
when it ran out of pre-allocated saveareas would extend the number of
saveareas by calling the page allocation routine with special parameter
... that would look for first non-changed page for replacement (didn't
require delay waiting for write-out replacing changed page) and 2) there
were a whole bunch of routines that were simple call/return ... and I
changed them to straight BALR/BR call/return and to use a dedicated save
area in page0 (works in multiprocessor since each processor has its own
dedicated page0). I also cut the instruction time in the SVC call/return
by 2/3rds. I also made a whole lot of other pathlength optimizations
... in same cases improvement by factor of 100. Overall as undergraduate
in the 60s, I reduced CP67 kernel CPU time by 3/4s. A lot of this was
picked up and shipped in standard CP67 product. Part of presentation
that I made at 60s SHARE user group meeting
http://manana.garlic.com/~lynn/94.html#18 CP/67 & OS MFT14

as undergraduate I was hired by the univ. to be responsible for
production operating systems. the above presentation includes references
to changes I made of os/360. On 709 IBSYS tape-to-tape (with 1401
front-end doing tape<->unitrecord student fortran jobs ran under 1second
elapsed time). Initial move to os/360 360/65 (360/67 running as 360/65),
student fortran jobs ran over minute ... because of enormous disk i/o
intensive operation. Adding HASP (spooling system), cut elapsed time/job
to a little over half a minute. I started hand-crafted OS/360 system
build/sysgen to carefully place/order system data on disk which got it
down to a little under 13seconds.

For CP67 I also redid a lot of the I/O, added ordered seek queuing and
for page activity, chained multiple page transfers into single I/O
channel program. I also implemented dynamic adaptive resource
manager (frequently called "fair share" for default resource policy)
http://manana.garlic.com/~lynn/subtopic.html#fairshare

I also did global LRU, clock-like page replacement algorithm ...
this was at a time when the academic papers were all about
local LRU. some past posts
http://manana.garlic.com/~lynn/subtopic.html#clock

I've  mentioned that when Jim Gray left research
for Tandem, he palmed off bunch of stuff on me:
http://manana.garlic.com/~lynn/2016d.html#104 Is it a lost cause?

At Dec81, ACM SIGOPS, Jim asked me if I could help one of his co-workers
at Tandem get his Stanford PHD ... which was on global LRU page
replacement. The "local LRU" forces (from the late 60s) were strongly
lobbying Stanford to not award any PHD that had to do with local LRU.
Jim knew I had a lot of performance data comparing local LRU CP67 and
global LRU CP67 implementations (showing global LRU much better) ...
much of the other claims on the subject were just opinion and
hand waving. Past post on the subject
http://manana.garlic.com/~lynn/2006w.html#46
with this reply that I wrote
http://manana.garlic.com/~lynn/2006w.html#email821019

aka it took me almost a year to get IBM management to send a
replay. Conjecture is that IBM management thought it was a form of
punishment because they blamed for online computer conferencing on the
internal network (larger than the arpanet/internet from just about the
beginning until sometime mid-80s). Folkore is that when the corporate
management committee were told about online computer conferencing (and
the internal network), 5of6 wanted to fire me. Some past posts
http://manana.garlic.com/~lynn/subnetwork.html#cmc
and
http://manana.garlic.com/~lynn/subnetwork.html#internalnet

-- 
virtualization experience starting Jan1968, online at home since Mar1970

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#12563 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromAnne & Lynn Wheeler <lynn@garlic.com>
Date2016-07-05 15:43 -0700
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<87r3b7so2j.fsf@garlic.com>
In reply to#12506
Anne & Lynn Wheeler <lynn@garlic.com> writes:
> At Dec81, ACM SIGOPS, Jim asked me if I could help one of his co-workers
> at Tandem get his Stanford PHD ... which was on global LRU page
> replacement. The "local LRU" forces (from the late 60s) were strongly
> lobbying Stanford to not award any PHD that had to do with local LRU.
> Jim knew I had a lot of performance data comparing local LRU CP67 and
> global LRU CP67 implementations (showing global LRU much better) ...
> much of the other claims on the subject were just opinion and
> hand waving. Past post on the subject
> http://manana.garlic.com/~lynn/2006w.html#46
> with this reply that I wrote
> http://manana.garlic.com/~lynn/2006w.html#email821019

re:
http://www.garlic.com/~lynn/

inverted sense:
"lobbying Stanford to not award any PHD that had to do with local LRU."

... the "local LRU" forces (dating back to the 60s) were strongly
lobbying Stanford to not award any PHD that wasn't "local LRU" ...  in
particularly not award any PHD for anything to do with "global LRU".

trivia: the PHD advisor later becomes president of Stanford.

-- 
virtualization experience starting Jan1968, online at home since Mar1970

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#12520 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromDan Espen <despen@verizon.net>
Date2016-07-05 11:57 -0400
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<nlgldo$tkd$1@dont-email.me>
In reply to#12472
David Wade <dave.g4ugm@gmail.com> writes:

> I don't believe that modern Z hardware has a hardware stack. There are
> still no PUSH/POP type instructions. For languages that need a stack
> generally a stack area is allocated when a program is loaded and one
> of the 16 General Purpose Registers is then used as a stack pointer,
> but in general it has to be incremented/decremented by a second
> instruction...

The z systems use a "linkage stack".

You push entries in the linkage stack with Branch and Stack, or
Program Call.
You pop entries with Program Return.

Control register 0 controls state switching and control register 15
points at the current linkage stack.

The linkage stack itself is in protected storage but it's not
special hardware, just main memory.

How that differs from other machines I'm not clear on.

It always seemed very odd to me, that when you write C
code, you're always told to always check the malloc() return code.
Yet, calling a subroutine needs main storage and the language
provides no way to check a return code for that.
I'm not sure if it raises a signal.
With a language that supports recursion, that could be an issue.

I generally avoid recursion for that reason.

-- 
Dan Espen

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#12521 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromRob <nomail@example.com>
Date2016-07-05 16:06 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<slrnnnnmno.754.nomail@xs9.xs4all.nl>
In reply to#12520
Dan Espen <despen@verizon.net> wrote:
> It always seemed very odd to me, that when you write C
> code, you're always told to always check the malloc() return code.
> Yet, calling a subroutine needs main storage and the language
> provides no way to check a return code for that.
> I'm not sure if it raises a signal.

This is implementation (mostly OS) dependant.  Usually there is a
signal for stack overflow, but it often is the generic signal for
invalid memory accessed (SIGSEGV in Unix/Linux).

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#12536 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromDan Espen <despen@verizon.net>
Date2016-07-05 14:05 -0400
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<nlgstu$qv5$1@dont-email.me>
In reply to#12521
Rob <nomail@example.com> writes:

> Dan Espen <despen@verizon.net> wrote:
>> It always seemed very odd to me, that when you write C
>> code, you're always told to always check the malloc() return code.
>> Yet, calling a subroutine needs main storage and the language
>> provides no way to check a return code for that.
>> I'm not sure if it raises a signal.
>
> This is implementation (mostly OS) dependant.  Usually there is a
> signal for stack overflow, but it often is the generic signal for
> invalid memory accessed (SIGSEGV in Unix/Linux).

Which leaves you no way to programmaticly detect the overflow.
The end user could add memory to the job if he got an informative
message.

It's somewhat ironic, you put all that coding in for malloc failure
and end up being unable to detect stack allocation failure.

-- 
Dan Espen

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#12540 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromLawrence Statton NK1G <lawrence@senguio.mx>
Date2016-07-05 13:24 -0500
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<87d1ms0wp8.fsf@senguio.mx>
In reply to#12536
Dan Espen <despen@verizon.net> writes:
>> This is implementation (mostly OS) dependant.  Usually there is a
>> signal for stack overflow, but it often is the generic signal for
>> invalid memory accessed (SIGSEGV in Unix/Linux).
>
> Which leaves you no way to programmaticly detect the overflow.
> The end user could add memory to the job if he got an informative
> message.

While I've never done it, it should be a SMOP to trap the SEGV
exception, and write a handler (using a private area of memory set aside
for its own stack) to at least report the problem.  That'd be some
tricky 'battling with the compiler' to get the execution environment set
up, but no more than a day of hair extraction.

> It's somewhat ironic, you put all that coding in for malloc failure
> and end up being unable to detect stack allocation failure.

Hysterical Raisins, I think ... At some reference point in history,
stack overflow just "never happened" and running out of arena happened
all the time.  

A "stack heavy" algorithm like walking a balanced tree only uses
O(log2(N)) levels of stack -- I can walk a billion element tree using 31
stack frames.

Twenty years ago, I had cause to instrument a moderately complex system
in C, with much recursive code, and the stack never grew to more than
1,100 bytes.  On a modern Unix-like system, the stack is given by
default 8 mibibytes.


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#12541 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromDan Espen <despen@verizon.net>
Date2016-07-05 14:29 -0400
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<nlguad$qv5$3@dont-email.me>
In reply to#12540
Lawrence Statton NK1G <lawrence@senguio.mx> writes:

> Dan Espen <despen@verizon.net> writes:
>>> This is implementation (mostly OS) dependant.  Usually there is a
>>> signal for stack overflow, but it often is the generic signal for
>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>>
>> Which leaves you no way to programmaticly detect the overflow.
>> The end user could add memory to the job if he got an informative
>> message.
>
> While I've never done it, it should be a SMOP to trap the SEGV
> exception, and write a handler (using a private area of memory set aside
> for its own stack) to at least report the problem.  That'd be some
> tricky 'battling with the compiler' to get the execution environment set
> up, but no more than a day of hair extraction.

Lots of things can cause a SEGV.  You can't just trap SEGV and send
a message to the user to increase memory space.

>> It's somewhat ironic, you put all that coding in for malloc failure
>> and end up being unable to detect stack allocation failure.
>
> Hysterical Raisins, I think ... At some reference point in history,
> stack overflow just "never happened" and running out of arena happened
> all the time.  
>
> A "stack heavy" algorithm like walking a balanced tree only uses
> O(log2(N)) levels of stack -- I can walk a billion element tree using 31
> stack frames.
>
> Twenty years ago, I had cause to instrument a moderately complex system
> in C, with much recursive code, and the stack never grew to more than
> 1,100 bytes.  On a modern Unix-like system, the stack is given by
> default 8 mibibytes.

Coming up with nothing on mibibytes.
I have:

home> ulimit -a
...
stack size              (kbytes, -s) 8192
...

Admittedly hard to use up.

-- 
Dan Espen

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#12552 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

Fromscott@slp53.sl.home (Scott Lurndal)
Date2016-07-05 19:59 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<hkUez.62169$w13.32183@fx22.iad>
In reply to#12541
Dan Espen <despen@verizon.net> writes:
>Lawrence Statton NK1G <lawrence@senguio.mx> writes:
>
>> Dan Espen <despen@verizon.net> writes:
>>>> This is implementation (mostly OS) dependant.  Usually there is a
>>>> signal for stack overflow, but it often is the generic signal for
>>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>>>
>>> Which leaves you no way to programmaticly detect the overflow.
>>> The end user could add memory to the job if he got an informative
>>> message.
>>
>> While I've never done it, it should be a SMOP to trap the SEGV
>> exception, and write a handler (using a private area of memory set aside
>> for its own stack) to at least report the problem.  That'd be some
>> tricky 'battling with the compiler' to get the execution environment set
>> up, but no more than a day of hair extraction.
>
>Lots of things can cause a SEGV.  You can't just trap SEGV and send
>a message to the user to increase memory space.

  siginfo.si_addr gives the VA of the address that wasn't present.  It's
simple to check if it is in certain bounds, and recover appropriately.  BTDT.

  See also: http://www.in-ulm.de/~mascheck/bourne/segv.html

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#12542 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromBob Eager <news0006@eager.cx>
Date2016-07-05 18:31 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<du2cnfF2lvcU2@mid.individual.net>
In reply to#12536
On Tue, 05 Jul 2016 14:05:48 -0400, Dan Espen wrote:

> Rob <nomail@example.com> writes:
> 
>> Dan Espen <despen@verizon.net> wrote:
>>> It always seemed very odd to me, that when you write C code, you're
>>> always told to always check the malloc() return code.
>>> Yet, calling a subroutine needs main storage and the language provides
>>> no way to check a return code for that.
>>> I'm not sure if it raises a signal.
>>
>> This is implementation (mostly OS) dependant.  Usually there is a
>> signal for stack overflow, but it often is the generic signal for
>> invalid memory accessed (SIGSEGV in Unix/Linux).
> 
> Which leaves you no way to programmaticly detect the overflow.
> The end user could add memory to the job if he got an informative
> message.
> 
> It's somewhat ironic, you put all that coding in for malloc failure and
> end up being unable to detect stack allocation failure.

In practice, a program would have to be *very* badly coded to run out of 
stack. Most modern stack-based systems use a stack that runs down from 
the top of virtualy memory, and it's extended automatically if one 
reaches the end of it.

Yes, 'infinite' recursion will use it all up, but we are usually talking 
a gigabyte or two even on a 32 bit system.



-- 
Using UNIX since v6 (1975)...

Use the BIG mirror service in the UK:
 http://www.mirrorservice.org

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#12550 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromDan Espen <despen@verizon.net>
Date2016-07-05 15:32 -0400
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<nlh20m$eau$1@dont-email.me>
In reply to#12542
Bob Eager <news0006@eager.cx> writes:

> On Tue, 05 Jul 2016 14:05:48 -0400, Dan Espen wrote:
>
>> Rob <nomail@example.com> writes:
>> 
>>> Dan Espen <despen@verizon.net> wrote:
>>>> It always seemed very odd to me, that when you write C code, you're
>>>> always told to always check the malloc() return code.
>>>> Yet, calling a subroutine needs main storage and the language provides
>>>> no way to check a return code for that.
>>>> I'm not sure if it raises a signal.
>>>
>>> This is implementation (mostly OS) dependant.  Usually there is a
>>> signal for stack overflow, but it often is the generic signal for
>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>> 
>> Which leaves you no way to programmaticly detect the overflow.
>> The end user could add memory to the job if he got an informative
>> message.
>> 
>> It's somewhat ironic, you put all that coding in for malloc failure and
>> end up being unable to detect stack allocation failure.
>
> In practice, a program would have to be *very* badly coded to run out of 
> stack. Most modern stack-based systems use a stack that runs down from 
> the top of virtualy memory, and it's extended automatically if one 
> reaches the end of it.
>
> Yes, 'infinite' recursion will use it all up, but we are usually talking 
> a gigabyte or two even on a 32 bit system.

On z/Series, the stack and heap come from the same pool.
The limit is on total storage used, not one limit for heap, another
for stack as found on unix type systems.

So, you can use up all the storage with malloc, but eventually
fail on a stack request.

(At least in theory.)

-- 
Dan Espen

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#12554 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromBob Eager <news0006@eager.cx>
Date2016-07-05 20:05 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<du2i7gF2lvcU4@mid.individual.net>
In reply to#12550
On Tue, 05 Jul 2016 15:32:37 -0400, Dan Espen wrote:

> Bob Eager <news0006@eager.cx> writes:
> 
>> On Tue, 05 Jul 2016 14:05:48 -0400, Dan Espen wrote:
>>
>>> Rob <nomail@example.com> writes:
>>> 
>>>> Dan Espen <despen@verizon.net> wrote:
>>>>> It always seemed very odd to me, that when you write C code, you're
>>>>> always told to always check the malloc() return code.
>>>>> Yet, calling a subroutine needs main storage and the language
>>>>> provides no way to check a return code for that.
>>>>> I'm not sure if it raises a signal.
>>>>
>>>> This is implementation (mostly OS) dependant.  Usually there is a
>>>> signal for stack overflow, but it often is the generic signal for
>>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>>> 
>>> Which leaves you no way to programmaticly detect the overflow.
>>> The end user could add memory to the job if he got an informative
>>> message.
>>> 
>>> It's somewhat ironic, you put all that coding in for malloc failure
>>> and end up being unable to detect stack allocation failure.
>>
>> In practice, a program would have to be *very* badly coded to run out
>> of stack. Most modern stack-based systems use a stack that runs down
>> from the top of virtualy memory, and it's extended automatically if one
>> reaches the end of it.
>>
>> Yes, 'infinite' recursion will use it all up, but we are usually
>> talking a gigabyte or two even on a 32 bit system.
> 
> On z/Series, the stack and heap come from the same pool.
> The limit is on total storage used, not one limit for heap, another for
> stack as found on unix type systems.
> 
> So, you can use up all the storage with malloc, but eventually fail on a
> stack request.
> 
> (At least in theory.)

The stack and heap come from the same pool on most systems. The stack 
grows down, the heap grows up.

But if you run out, you run out. There are guard pages on the stack, so 
you can catch that situation if it ever happens. Frankly, with that much 
stack available, only a very poorly written program is going to hit the 
limit.



-- 
Using UNIX since v6 (1975)...

Use the BIG mirror service in the UK:
 http://www.mirrorservice.org

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#12575 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromDan Espen <despen@verizon.net>
Date2016-07-05 22:36 -0400
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<nlhqr9$ql9$1@dont-email.me>
In reply to#12554
Bob Eager <news0006@eager.cx> writes:

> On Tue, 05 Jul 2016 15:32:37 -0400, Dan Espen wrote:
>
>> Bob Eager <news0006@eager.cx> writes:
>> 
>>> On Tue, 05 Jul 2016 14:05:48 -0400, Dan Espen wrote:
>>>
>>>> Rob <nomail@example.com> writes:
>>>> 
>>>>> Dan Espen <despen@verizon.net> wrote:
>>>>>> It always seemed very odd to me, that when you write C code, you're
>>>>>> always told to always check the malloc() return code.
>>>>>> Yet, calling a subroutine needs main storage and the language
>>>>>> provides no way to check a return code for that.
>>>>>> I'm not sure if it raises a signal.
>>>>>
>>>>> This is implementation (mostly OS) dependant.  Usually there is a
>>>>> signal for stack overflow, but it often is the generic signal for
>>>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>>>> 
>>>> Which leaves you no way to programmaticly detect the overflow.
>>>> The end user could add memory to the job if he got an informative
>>>> message.
>>>> 
>>>> It's somewhat ironic, you put all that coding in for malloc failure
>>>> and end up being unable to detect stack allocation failure.
>>>
>>> In practice, a program would have to be *very* badly coded to run out
>>> of stack. Most modern stack-based systems use a stack that runs down
>>> from the top of virtualy memory, and it's extended automatically if one
>>> reaches the end of it.
>>>
>>> Yes, 'infinite' recursion will use it all up, but we are usually
>>> talking a gigabyte or two even on a 32 bit system.
>> 
>> On z/Series, the stack and heap come from the same pool.
>> The limit is on total storage used, not one limit for heap, another for
>> stack as found on unix type systems.
>> 
>> So, you can use up all the storage with malloc, but eventually fail on a
>> stack request.
>> 
>> (At least in theory.)
>
> The stack and heap come from the same pool on most systems. The stack 
> grows down, the heap grows up.

Yes, but Linux seems to have separate limits for the stack and heap as
evidenced by ulimit output.


-- 
Dan Espen

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#12578 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromBob Eager <news0006@eager.cx>
Date2016-07-06 07:14 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<du3pduF2lvcU6@mid.individual.net>
In reply to#12575
On Tue, 05 Jul 2016 22:36:24 -0400, Dan Espen wrote:

> Bob Eager <news0006@eager.cx> writes:
> 
>> On Tue, 05 Jul 2016 15:32:37 -0400, Dan Espen wrote:
>>
>>> Bob Eager <news0006@eager.cx> writes:
>>> 
>>>> On Tue, 05 Jul 2016 14:05:48 -0400, Dan Espen wrote:
>>>>
>>>>> Rob <nomail@example.com> writes:
>>>>> 
>>>>>> Dan Espen <despen@verizon.net> wrote:
>>>>>>> It always seemed very odd to me, that when you write C code,
>>>>>>> you're always told to always check the malloc() return code.
>>>>>>> Yet, calling a subroutine needs main storage and the language
>>>>>>> provides no way to check a return code for that.
>>>>>>> I'm not sure if it raises a signal.
>>>>>>
>>>>>> This is implementation (mostly OS) dependant.  Usually there is a
>>>>>> signal for stack overflow, but it often is the generic signal for
>>>>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>>>>> 
>>>>> Which leaves you no way to programmaticly detect the overflow.
>>>>> The end user could add memory to the job if he got an informative
>>>>> message.
>>>>> 
>>>>> It's somewhat ironic, you put all that coding in for malloc failure
>>>>> and end up being unable to detect stack allocation failure.
>>>>
>>>> In practice, a program would have to be *very* badly coded to run out
>>>> of stack. Most modern stack-based systems use a stack that runs down
>>>> from the top of virtualy memory, and it's extended automatically if
>>>> one reaches the end of it.
>>>>
>>>> Yes, 'infinite' recursion will use it all up, but we are usually
>>>> talking a gigabyte or two even on a 32 bit system.
>>> 
>>> On z/Series, the stack and heap come from the same pool.
>>> The limit is on total storage used, not one limit for heap, another
>>> for stack as found on unix type systems.
>>> 
>>> So, you can use up all the storage with malloc, but eventually fail on
>>> a stack request.
>>> 
>>> (At least in theory.)
>>
>> The stack and heap come from the same pool on most systems. The stack
>> grows down, the heap grows up.
> 
> Yes, but Linux seems to have separate limits for the stack and heap as
> evidenced by ulimit output.

And those limits are flexible and can be turned off. The stack limit is 
usually high enough that only poor programs will ever hit it.



-- 
Using UNIX since v6 (1975)...

Use the BIG mirror service in the UK:
 http://www.mirrorservice.org

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#12581 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromRob <nomail@example.com>
Date2016-07-06 07:59 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<slrnnnpei9.dja.nomail@xs9.xs4all.nl>
In reply to#12575
Dan Espen <despen@verizon.net> wrote:
>>> On z/Series, the stack and heap come from the same pool.
>>> The limit is on total storage used, not one limit for heap, another for
>>> stack as found on unix type systems.
>>> 
>>> So, you can use up all the storage with malloc, but eventually fail on a
>>> stack request.
>>> 
>>> (At least in theory.)
>>
>> The stack and heap come from the same pool on most systems. The stack 
>> grows down, the heap grows up.
>
> Yes, but Linux seems to have separate limits for the stack and heap as
> evidenced by ulimit output.

It is still the same space.  There is a single block of (virtual)
memory in which the heap grows up and the stack grows down, but you
can define for heap and stack separately how far they allowed to grow.

Typically the stack is limited to 8MB and the heap is unlimited.
(there still is a limitation based on memory available in the system
and memory used by other processes)

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#12553 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

Fromscott@slp53.sl.home (Scott Lurndal)
Date2016-07-05 19:59 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<ZkUez.62170$w13.5429@fx22.iad>
In reply to#12542
Bob Eager <news0006@eager.cx> writes:
> git://git.gnome.org/pan2)
>X-Received-Body-CRC: 3815132622
>X-Received-Bytes: 2460
>
>On Tue, 05 Jul 2016 14:05:48 -0400, Dan Espen wrote:
>
>> Rob <nomail@example.com> writes:
>> 
>>> Dan Espen <despen@verizon.net> wrote:
>>>> It always seemed very odd to me, that when you write C code, you're
>>>> always told to always check the malloc() return code.
>>>> Yet, calling a subroutine needs main storage and the language provides
>>>> no way to check a return code for that.
>>>> I'm not sure if it raises a signal.
>>>
>>> This is implementation (mostly OS) dependant.  Usually there is a
>>> signal for stack overflow, but it often is the generic signal for
>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>> 
>> Which leaves you no way to programmaticly detect the overflow.
>> The end user could add memory to the job if he got an informative
>> message.
>> 
>> It's somewhat ironic, you put all that coding in for malloc failure and
>> end up being unable to detect stack allocation failure.
>
>In practice, a program would have to be *very* badly coded to run out of 
>stack. Most modern stack-based systems use a stack that runs down from 
>the top of virtualy memory, and it's extended automatically if one 
>reaches the end of it.

With a 64-bit virtual address space, you're more likely to run out
of backing space (swap) than the VA space itself.

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#12555 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

FromBob Eager <news0006@eager.cx>
Date2016-07-05 20:05 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<du2i8jF2lvcU5@mid.individual.net>
In reply to#12553
On Tue, 05 Jul 2016 19:59:53 +0000, Scott Lurndal wrote:

> Bob Eager <news0006@eager.cx> writes:
>> git://git.gnome.org/pan2)
>>X-Received-Body-CRC: 3815132622 X-Received-Bytes: 2460
>>
>>On Tue, 05 Jul 2016 14:05:48 -0400, Dan Espen wrote:
>>
>>> Rob <nomail@example.com> writes:
>>> 
>>>> Dan Espen <despen@verizon.net> wrote:
>>>>> It always seemed very odd to me, that when you write C code, you're
>>>>> always told to always check the malloc() return code.
>>>>> Yet, calling a subroutine needs main storage and the language
>>>>> provides no way to check a return code for that.
>>>>> I'm not sure if it raises a signal.
>>>>
>>>> This is implementation (mostly OS) dependant.  Usually there is a
>>>> signal for stack overflow, but it often is the generic signal for
>>>> invalid memory accessed (SIGSEGV in Unix/Linux).
>>> 
>>> Which leaves you no way to programmaticly detect the overflow.
>>> The end user could add memory to the job if he got an informative
>>> message.
>>> 
>>> It's somewhat ironic, you put all that coding in for malloc failure
>>> and end up being unable to detect stack allocation failure.
>>
>>In practice, a program would have to be *very* badly coded to run out of
>>stack. Most modern stack-based systems use a stack that runs down from
>>the top of virtualy memory, and it's extended automatically if one
>>reaches the end of it.
> 
> With a 64-bit virtual address space, you're more likely to run out of
> backing space (swap) than the VA space itself.

Indeed. I thought I'd said '32 bit' in there but I obviously forgot!



-- 
Using UNIX since v6 (1975)...

Use the BIG mirror service in the UK:
 http://www.mirrorservice.org

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#12551 — Re: S/360 stacks, was self-modifying code, Is it a lost cause?

Fromscott@slp53.sl.home (Scott Lurndal)
Date2016-07-05 19:57 +0000
SubjectRe: S/360 stacks, was self-modifying code, Is it a lost cause?
Message-ID<YiUez.62168$w13.4967@fx22.iad>
In reply to#12536
Dan Espen <despen@verizon.net> writes:
>Rob <nomail@example.com> writes:
>
>> Dan Espen <despen@verizon.net> wrote:
>>> It always seemed very odd to me, that when you write C
>>> code, you're always told to always check the malloc() return code.
>>> Yet, calling a subroutine needs main storage and the language
>>> provides no way to check a return code for that.
>>> I'm not sure if it raises a signal.
>>
>> This is implementation (mostly OS) dependant.  Usually there is a
>> signal for stack overflow, but it often is the generic signal for
>> invalid memory accessed (SIGSEGV in Unix/Linux).
>
>Which leaves you no way to programmaticly detect the overflow.
>The end user could add memory to the job if he got an informative
>message.

Linux, and many flavors of Unix, install inaccessible guard
pages on either side of the stack to prevent inadvertent corruption.

Software could catch the SIGSEGV and manually extend the stack if
memory was available.   The original bourne shell used that trick to
extend the heap on the PDP-11 (http://www.in-ulm.de/~mascheck/bourne/segv.html)

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