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

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From Anne & Lynn Wheeler <lynn@garlic.com>
Newsgroups alt.folklore.computers, comp.sys.raspberry-pi
Subject Re: S/360 stacks, was self-modifying code, Is it a lost cause?
Date Tue, 05 Jul 2016 07:54:51 -0700
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Cross-posted to 2 groups.

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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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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

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