Groups > comp.lang.forth > #20872

Re: Difficulty with Brad Rodriguez' screenful

From	Bernd Paysan <bernd.paysan@gmx.de>
Newsgroups	comp.lang.forth
Subject	Re: Difficulty with Brad Rodriguez' screenful
Date	2013-03-19 22:27 +0100
Organization	1&1 Internet AG
Message-ID	<kial83$tmm$1@online.de> (permalink)
References	(2 earlier) <ki35b7$jnn$1@online.de> <5147093c.396277031@news.demon.co.uk> <2013Mar18.191720@mips.complang.tuwien.ac.at> <ki8ihj$8af$1@online.de> <2013Mar19.160603@mips.complang.tuwien.ac.at>

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Anton Ertl wrote:
> Looking at <http://www.complang.tuwien.ac.at/forth/peep/sorted>, I see
> 
>  Total     cross   gs    prims2x
> 15143346 5779740 3540682 5822924 NEXTS
>   111423   42444   34770   34209 defer:
>    75337   29745   20391   25201 execute
> 
> So about 0.7% of the dynamically executed primitives are dodefers and
> 0.5% are EXECUTEs in these programs, which are not particularly OO.

Cross has a vtable for every ghost, and a lot of plugin-stuff which goes 
through DEFER.  prims2x uses Gray, which is written in a simplistic OO 
system.

> Also, why would you think that deferred words are more frequent in OO
> code?

On OO code, EXECUTE is much more frequently used.  It's "members of the set 
of {EXECUTE, DEFER}" is used more frequently in OO code.

> And you have ordinary colon defs, which still benefit from inlining.

Which you usually can inline.

> And even methods benefit from tail-call optimization.

And tail call optimization would break the return stack semantics, so that 
is a valid argument.

> That's not what was happening in those programs:
> 
>  Total     cross   gs    prims2x
>    75337   29745   20391   25201 execute
>    54990   25803   13836   15351 @ execute
> 
> So most of these EXECUTEs cannot be optimized into direct calls.  And
> the DODEFERs cannot be optimized into direct calls, either.

Yes, removes quite a number of opportunities for an optimizer.

> And if you are using quotations, why would you use return stack tricks?

E.g. for backtracking regexps.

> You mean that I would have the optimized code, and it pushes return
> stack items that, when used, would return to the appropriate place in
> the code (or maybe to an unoptimized copy).  Yes, could work, but it
> would still complicate the compiler and produce slower code, for, in
> most cases, no gain.

So you rather prefer breaking existing code for minor speed, because "it's 
non-standard"?  GCC mentality?

>>Andrew Haley suggested using CATCH/THROW instead of return stack
>>manipulations.  CATCH/THROW are pretty hard to optimize.
> 
> Harder than arbitrary return stack manipulations?

Yes.  If you do return stack manipulations, an analytical compiler still can 
build a control flow graph, and convert that all to some jumps.  It could do 
so for CATCH and THROW, but THROW must work from a signal handler, too.  
Which is outside the reach of the compiler, so it can't eliminate the 
exception frame on the return stack.

> I don't think so.
> Andrew Haley gave a good argument in one of his postings.

No, he just said that the implementation is pretty short and straight-
forward, but still it's one cell for return stack manipulations, and 6 cells 
for CATCH/THROW, which get moved around.  Plus some IF .. ELSE .. THEN which 
otherwise wouldn't be necessary.

With gforth-fast, CATCH is 10 times slower than EXECUTE.

> He also will have less incentive, because you will continue to use
> return-stack manipulation in Minos instead of using quotations and
> EXECUTE, so there is less code that would benefit from optimizing
> EXECUTE.

This code would look about the same to such an optimizer.  It's using 
EXECUTE, as well.

In any case, the MINOS examples were there more for historical reasons, 
since I had introduced quotations later during MINOS development, and didn't 
rewrite those parts.  There are a lot of quotations in MINOS (way more than 
return stack tricks), so the incentive to optimize those is still there ;-).

-- 
Bernd Paysan
"If you want it done right, you have to do it yourself"
http://bernd-paysan.de/

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Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-15 07:10 -0700
  Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-15 17:06 +0000
    Re: Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-15 11:27 -0700
    Re: Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-15 13:06 -0700
    Re: Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-15 13:43 -0700
      Re: Difficulty with Brad Rodriguez' screenful "Elizabeth D. Rather" <erather@forth.com> - 2013-03-15 12:17 -1000
        Re: Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-16 13:25 -0700
          Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-17 00:18 +0200
            Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-17 02:13 +0100
              Re: Difficulty with Brad Rodriguez' screenful "Elizabeth D. Rather" <erather@forth.com> - 2013-03-16 15:29 -1000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-18 02:03 +0100
                Re: Difficulty with Brad Rodriguez' screenful "Elizabeth D. Rather" <erather@forth.com> - 2013-03-17 15:23 -1000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-18 04:16 +0100
                Re: Difficulty with Brad Rodriguez' screenful "Elizabeth D. Rather" <erather@forth.com> - 2013-03-17 18:20 -1000
                Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-18 13:07 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-18 21:45 +0100
                Re: Difficulty with Brad Rodriguez' screenful Elizabeth D Rather <erather@forth.com> - 2013-03-18 12:13 -1000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 03:46 +0100
                Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-19 09:42 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 17:04 +0100
                Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-19 17:54 +0000
                Re: Difficulty with Brad Rodriguez' screenful Brad Eckert <hwfwguy@gmail.com> - 2013-03-19 13:30 -0700
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 22:33 +0100
                Re: Difficulty with Brad Rodriguez' screenful albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-03-19 13:03 +0000
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-19 14:56 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 21:55 +0100
                Re: Difficulty with Brad Rodriguez' screenful Alex McDonald <blog@rivadpm.com> - 2013-03-19 14:16 -0700
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-20 02:09 +0100
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-02 16:44 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-02 22:07 +0200
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 20:35 +0100
                Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-19 09:52 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 18:56 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-19 13:18 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 22:37 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-20 03:33 -0500
                Re: Difficulty with Brad Rodriguez' screenful "Rod Pemberton" <do_not_have@notemailnotq.cpm> - 2013-03-20 05:30 -0400
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-18 11:28 -0500
                Re: Difficulty with Brad Rodriguez' screenful Alex McDonald <blog@rivadpm.com> - 2013-03-18 15:39 -0700
                Re: Difficulty with Brad Rodriguez' screenful albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-03-19 13:07 +0000
                Re: Difficulty with Brad Rodriguez' screenful m.a.m.hendrix@tue.nl - 2013-03-19 06:58 -0700
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 03:05 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-19 05:27 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 19:24 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-20 03:42 -0500
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-20 03:54 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-20 17:49 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-20 12:51 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-20 20:25 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-21 04:31 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-21 16:31 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-21 14:48 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-21 18:07 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-21 14:49 -0500
                Re: Difficulty with Brad Rodriguez' screenful Coos Haak <chforth@hccnet.nl> - 2013-03-22 00:07 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-21 18:31 -0500
                Re: Difficulty with Brad Rodriguez' screenful Coos Haak <chforth@hccnet.nl> - 2013-03-22 00:48 +0100
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-22 01:49 +0100
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-27 17:30 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-22 03:57 -0500
                Re: Difficulty with Brad Rodriguez' screenful Alex McDonald <blog@rivadpm.com> - 2013-03-22 03:39 -0700
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-22 09:03 -0500
                Re: Difficulty with Brad Rodriguez' screenful Alex McDonald <blog@rivadpm.com> - 2013-03-23 08:13 -0700
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-23 12:39 -0500
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-23 14:19 -0500
                Re: Difficulty with Brad Rodriguez' screenful Alex McDonald <blog@rivadpm.com> - 2013-03-23 13:01 -0700
                Re: Difficulty with Brad Rodriguez' screenful Brad Eckert <hwfwguy@gmail.com> - 2013-03-22 08:13 -0700
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-22 14:44 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-22 10:34 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-22 15:39 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-22 20:38 +0100
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-22 20:54 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-22 12:27 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-22 17:38 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-22 13:48 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-23 11:53 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-24 01:46 +0100
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-27 17:04 +0000
                Re: Difficulty with Brad Rodriguez' screenful Brad Eckert <hwfwguy@gmail.com> - 2013-03-25 10:06 -0700
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-19 16:05 +0000
                Re: Difficulty with Brad Rodriguez' screenful Alex McDonald <blog@rivadpm.com> - 2013-03-19 12:32 -0700
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-18 18:28 +0000
              Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-18 12:40 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-18 17:23 +0100
                Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-18 17:35 +0000
                Re: Difficulty with Brad Rodriguez' screenful Brad Eckert <hwfwguy@gmail.com> - 2013-03-18 11:02 -0700
                Re: Difficulty with Brad Rodriguez' screenful "WJ" <w_a_x_man@yahoo.com> - 2013-03-19 03:25 +0000
                Re: Difficulty with Brad Rodriguez' screenful albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-03-18 19:35 +0000
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-18 18:17 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 03:29 +0100
                Re: Difficulty with Brad Rodriguez' screenful Paul Rubin <no.email@nospam.invalid> - 2013-03-19 00:06 -0700
                Re: Difficulty with Brad Rodriguez' screenful Paul Rubin <no.email@nospam.invalid> - 2013-03-19 00:11 -0700
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 16:16 +0100
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-19 15:06 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-19 22:27 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-20 03:49 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-20 11:09 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-20 10:25 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-20 18:08 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-20 13:04 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-20 20:12 +0100
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-21 04:39 -0500
                Re: Difficulty with Brad Rodriguez' screenful albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-03-20 19:22 +0000
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-30 17:35 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-03-31 08:51 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-02 15:50 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-02 16:16 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-03 11:57 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-03 10:25 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-03 16:45 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-03 15:12 -0500
                Re: Difficulty with Brad Rodriguez' screenful Alex McDonald <blog@rivadpm.com> - 2013-03-20 10:27 -0700
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-20 12:03 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-20 18:47 +0100
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-30 16:40 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-01 02:12 +0200
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-01 16:58 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-02 04:20 +0200
                Re: Difficulty with Brad Rodriguez' screenful "Elizabeth D. Rather" <erather@forth.com> - 2013-04-01 16:39 -1000
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-02 14:15 +0000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-02 21:12 +0200
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-02 04:17 -0500
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-02 15:35 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-02 16:36 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-03 04:10 +0200
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-03 04:03 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-03 21:14 +0200
                Re: Difficulty with Brad Rodriguez' screenful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-03 16:13 +0000
                Re: Difficulty with Brad Rodriguez' screenful Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-03 11:54 -0500
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-03 22:24 +0200
                Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-04-04 11:53 +0000
            Re: Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-16 22:27 -0700
              Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-17 10:10 +0200
                Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-17 18:15 +0200
                Re: Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-17 13:00 -0700
                Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-17 23:34 +0200
                Re: Difficulty with Brad Rodriguez' screenful Eduardo Costa <edu500ac@gmail.com> - 2013-03-17 16:44 -0700
                Re: Difficulty with Brad Rodriguez' screenful "WJ" <w_a_x_man@yahoo.com> - 2013-03-17 23:53 +0000
                Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-18 23:32 +0200
                Re: Difficulty with Brad Rodriguez' screenful Lars Brinkhoff <lars.spam@nocrew.org> - 2013-03-19 08:12 +0100
                Re: Difficulty with Brad Rodriguez' screenful m.a.m.hendrix@tue.nl - 2013-03-19 00:33 -0700
                Re: Difficulty with Brad Rodriguez' screenful Lars Brinkhoff <lars.spam@nocrew.org> - 2013-03-19 09:39 +0100
                Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-19 21:11 +0200
                Re: Difficulty with Brad Rodriguez' screenful Elizabeth D Rather <erather@forth.com> - 2013-03-19 10:30 -1000
                Re: Difficulty with Brad Rodriguez' screenful Roelf Toxopeus <rt4all@notthis.hetnet.nl> - 2013-03-19 22:31 +0100
                Re: Difficulty with Brad Rodriguez' screenful Elizabeth D Rather <erather@forth.com> - 2013-03-19 12:09 -1000
                Re: Difficulty with Brad Rodriguez' screenful Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-18 19:23 +0100
      Re: Difficulty with Brad Rodriguez' screenful stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-16 06:34 +0000
  Re: Difficulty with Brad Rodriguez' screenful junnia@gmail.com - 2013-03-19 07:45 -0700
    Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-19 21:38 +0200
      Re: Difficulty with Brad Rodriguez' screenful mhx@iae.nl (Marcel Hendrix) - 2013-03-23 01:31 +0200

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