Re: The Metric system (Was: Problems with va_list & friends...)

From	James Kuyper <jameskuyper@verizon.net>
Newsgroups	comp.lang.c
Subject	Re: The Metric system (Was: Problems with va_list & friends...)
Date	2015-04-22 18:30 -0400
Organization	Self
Message-ID	<5538210B.7010101@verizon.net> (permalink)
References	(7 earlier) <mh7n5s$55l$1@dont-email.me> <mh7p42$cag$1@dont-email.me> <mh8hh5$drk$1@dont-email.me> <5537D632.3050509@verizon.net> <ug6gjalmf12s74uinqc4ifbh562truqjqb@4ax.com>

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On 04/22/2015 06:05 PM, Robert Wessel wrote:
...
> Except when they screw up and don't, and leave us with absurdities as
> the efficiency of rocket motors being specified in units of *seconds*.
> 
> ISP (specific impulse) is the measure of how many seconds a rocket
> motor can produce one pound(force) with one pound(mass) of fuel.  So
> the actual unit should be in terms of (lbf*s/lbm), but if you loose
> the qualifiers on the two pounds, and cancel the remaining "lb"s, you
> get just seconds...

You've got some of the details wrong there, though the conclusion, and
it's ridiculousness, are both correct.

I was thinking of mentioning that, but when I refreshed my memory on the
subject by checking Wikipedia, I learned that there's a (somewhat
ridiculous) way of approaching the definition of specific impulse that
makes the cancellation technically correct.

Specific impulse is the amount of impulse (mass*change in velocity) that
can be produced by a rocket engine, divided by the amount of propellant
used to produce that impulse. If you divide both the numerator and the
denominator by time, the numerator becomes the force produced by the
rocket, and the denominator becomes the amount of propellant used per
unit of time.

Here's the key point: if you measure the amount of propellant by it's
mass (the reasonable thing to do) then specific impulse ends up with
units of velocity - it is, in fact, essentially the same as the exhaust
velocity.

However, if you measure the amount of propellant by it's weight at 1G,
which is an amount of force, then it becomes (force/(force/time)), which
has units of time, as you indicated. To reach that conclusion, they are
cancelling pounds(force) with pounds(force), which is technically
perfectly valid.

What makes this ridiculous is the fact that the weight of the propellant
that is being used in this calculation is its weight due to gravity at
the surface of the earth. This is a meaningless quantity for most uses
of rockets, which almost never stay precisely on the surface of the
earth (except for the rockets used to achieve world land speed records).
The mass of the propellant is a much more meaningful way to measure the
amount of propellant, being independent of how fast the rocket is
accelerating.

Thread

Re: Problems with va_list & friends... Philipp Klaus Krause <pkk@spth.de> - 2015-04-16 13:08 +0200
  Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-04-16 12:14 -0500
    Re: Problems with va_list & friends... gazelle@shell.xmission.com (Kenny McCormack) - 2015-04-16 17:18 +0000
    Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-16 18:43 +0100
      Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-04-16 21:03 -0500
        Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-16 23:38 -0400
        Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-17 07:39 +0100
          Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-17 13:31 -0500
            Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-17 14:46 -0400
              Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-18 11:46 -0700
                Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-04-18 15:35 -0700
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-22 10:57 -0700
            Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-19 11:58 +0100
              Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-20 10:50 -0500
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 17:55 +0100
          Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-04-17 23:01 -0500
            Re: Problems with va_list & friends... Robert Wessel <robertwessel2@yahoo.com> - 2015-04-18 00:24 -0500
            Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-18 07:50 -0400
            Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-18 11:56 -0700
            Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-19 14:59 +0100
              Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-04-19 11:47 -0500
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-19 18:44 +0100
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-19 18:34 -0400
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 01:42 -0700
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 08:14 -0400
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 10:30 -0700
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 13:56 -0400
                Re: Problems with va_list & friends... Ian Pilcher <arequipeno@gmail.com> - 2015-04-20 18:39 -0500
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-23 12:37 -0700
                Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-04-23 20:25 -0500
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-24 07:58 -0700
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-24 12:58 -0500
                Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-04-24 22:13 -0500
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-28 13:05 -0700
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-30 08:40 -0500
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-05-01 08:40 -0700
                Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-05-03 11:42 -0500
                Re: Problems with va_list & friends... Ian Collins <ian-news@hotmail.com> - 2015-05-04 17:43 +1200
                Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-05-04 07:34 -0500
                Re: Problems with va_list & friends... Phil Carmody <pc+usenet@asdf.org> - 2015-05-08 17:12 +0300
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-05-10 07:40 -0700
                Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-05-04 08:49 -0700
                Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-05-04 12:23 -0500
                Re: Problems with va_list & friends... Les Cargill <lcargill99@comcast.com> - 2015-04-20 07:49 -0500
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 14:27 +0100
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-20 09:39 -0500
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 17:48 +0100
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-20 15:58 -0500
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 22:25 +0100
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 13:22 -0400
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 11:15 -0700
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 15:02 -0400
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 12:51 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 21:17 +0100
                Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-04-20 16:09 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-21 00:33 +0100
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 16:26 -0400
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 15:46 -0700
                Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-04-20 16:17 -0700
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-21 07:43 -0700
                Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-04-21 08:06 -0700
                Re: Problems with va_list & friends... Philip Lantz <prl@canterey.us> - 2015-04-22 21:55 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 20:04 +0100
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 13:22 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 21:42 +0100
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 16:58 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-21 01:16 +0100
                Re: Problems with va_list & friends... Melzzzzz <mel@zzzzz.com> - 2015-04-21 02:19 +0200
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-20 23:14 -0700
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-21 11:47 -0400
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-22 00:13 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-22 08:36 +0100
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-22 03:15 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-22 11:52 +0100
                Re: Problems with va_list & friends... Öö Tiib <ootiib@hot.ee> - 2015-04-22 09:04 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-22 17:14 +0100
                Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-04-20 15:24 -0700
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-21 00:24 -0500
                Re: Problems with va_list & friends... raltbos@xs4all.nl (Richard Bos) - 2015-04-21 09:33 +0000
                Re: Problems with va_list & friends... gazelle@shell.xmission.com (Kenny McCormack) - 2015-04-21 11:57 +0000
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-21 10:22 -0500
                The Metric system (Was: Problems with va_list & friends...) gazelle@shell.xmission.com (Kenny McCormack) - 2015-04-21 15:38 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Greg Martin <greg.at.softsprocket@dot.com> - 2015-04-21 15:58 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Bartc <bc@freeuk.com> - 2015-04-21 18:09 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) Greg Martin <greg.at.softsprocket@dot.com> - 2015-04-21 17:42 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) David Brown <david.brown@hesbynett.no> - 2015-04-22 10:47 +0200
                Re: The Metric system (Was: Problems with va_list & friends...) Ian Collins <ian-news@hotmail.com> - 2015-04-22 20:56 +1200
                Re: The Metric system (Was: Problems with va_list & friends...) guinness.tony@gmail.com - 2015-04-22 03:53 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-22 11:01 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) gwowen <gwowen@gmail.com> - 2015-04-23 08:17 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) Richard Heathfield <rjh@cpax.org.uk> - 2015-04-22 10:21 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-22 11:17 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) David Kleinecke <dkleinecke@gmail.com> - 2015-04-22 09:59 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) Bartc <bc@freeuk.com> - 2015-04-22 18:48 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-22 14:35 -0500
                Re: The Metric system Ben Bacarisse <ben.lists@bsb.me.uk> - 2015-04-22 21:22 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-25 09:58 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Bartc <bc@freeuk.com> - 2015-04-25 12:33 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-25 12:18 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Bartc <bc@freeuk.com> - 2015-04-25 13:51 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) David Brown <david.brown@hesbynett.no> - 2015-04-25 16:34 +0200
                Re: The Metric system (Was: Problems with va_list & friends...) Bartc <bc@freeuk.com> - 2015-04-25 17:00 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) gazelle@shell.xmission.com (Kenny McCormack) - 2015-04-25 16:59 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-28 16:04 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-30 04:22 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) Martin Shobe <martin.shobe@yahoo.com> - 2015-04-30 09:27 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) Robert Wessel <robertwessel2@yahoo.com> - 2015-04-30 12:01 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) Bartc <bc@freeuk.com> - 2015-04-30 13:38 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) David Brown <david.brown@hesbynett.no> - 2015-04-25 16:36 +0200
                Re: The Metric system (Was: Problems with va_list & friends...) Ian Collins <ian-news@hotmail.com> - 2015-04-26 08:20 +1200
                Re: The Metric system (Was: Problems with va_list & friends...) "Bill Davy" <Bill@SynectixLtd.com> - 2015-04-25 21:33 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) David Brown <david.brown@hesbynett.no> - 2015-04-26 12:07 +0200
                Re: The Metric system (Was: Problems with va_list & friends...) Richard Heathfield <rjh@cpax.org.uk> - 2015-04-26 14:22 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-26 15:44 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-22 13:11 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) Robert Wessel <robertwessel2@yahoo.com> - 2015-04-22 17:05 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-22 18:30 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-22 17:35 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-22 19:15 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-23 11:05 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-23 12:54 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-23 14:12 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-23 15:50 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-23 16:43 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-23 18:09 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) "Osmium" <r124c4u102@comcast.net> - 2015-04-22 13:15 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) gazelle@shell.xmission.com (Kenny McCormack) - 2015-04-22 19:17 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Richard Heathfield <rjh@cpax.org.uk> - 2015-04-22 20:48 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) "Osmium" <r124c4u102@comcast.net> - 2015-04-23 08:11 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-23 12:58 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) Robert Wessel <robertwessel2@yahoo.com> - 2015-04-23 14:13 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-25 10:08 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-22 17:15 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-25 09:18 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-25 13:02 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) Richard Heathfield <rjh@cpax.org.uk> - 2015-04-26 14:26 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) Philip Lantz <prl@canterey.us> - 2015-05-03 11:48 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) Richard Heathfield <rjh@cpax.org.uk> - 2015-05-05 18:20 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-05-05 12:43 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) Bartc <bc@freeuk.com> - 2015-04-22 11:32 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) "Bill Davy" <Bill@SynectixLtd.com> - 2015-04-22 14:31 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) Ian Collins <ian-news@hotmail.com> - 2015-04-23 07:51 +1200
                Re: The Metric system (Was: Problems with va_list & friends...) "Bill Davy" <Bill@SynectixLtd.com> - 2015-04-23 08:05 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-25 10:10 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Richard Heathfield <rjh@cpax.org.uk> - 2015-04-26 09:27 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-26 10:55 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Morris Dovey <mrdovey@iedu.com> - 2015-04-26 07:19 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-26 12:59 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) gwowen <gwowen@gmail.com> - 2015-04-28 07:07 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) Morris Dovey <mrdovey@iedu.com> - 2015-04-28 09:51 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) guinness.tony@gmail.com - 2015-04-28 08:04 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) Richard Heathfield <rjh@cpax.org.uk> - 2015-04-28 16:19 +0100
                Re: The Metric system (Was: Problems with va_list & friends...) Les Cargill <lcargill99@comcast.com> - 2015-04-28 19:15 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-28 16:06 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) guinness.tony@gmail.com - 2015-04-28 09:39 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-28 16:51 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) guinness.tony@gmail.com - 2015-04-29 05:08 -0700
                Re: The Metric system (Was: Problems with va_list & friends...) raltbos@xs4all.nl (Richard Bos) - 2015-04-29 13:47 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) James Kuyper <jameskuyper@verizon.net> - 2015-04-28 13:03 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) David Thompson <dave.thompson2@verizon.net> - 2015-05-10 12:24 -0400
                Re: The Metric system (Was: Problems with va_list & friends...) gazelle@shell.xmission.com (Kenny McCormack) - 2015-04-21 18:12 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Greg Martin <greg.at.softsprocket@dot.com> - 2015-04-21 19:34 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) Stephen Sprunk <stephen@sprunk.org> - 2015-04-21 12:46 -0500
                Re: The Metric system (Was: Problems with va_list & friends...) Ian Collins <ian-news@hotmail.com> - 2015-04-22 07:42 +1200
                Re: The Metric system (Was: Problems with va_list & friends...) Greg Martin <greg.at.softsprocket@dot.com> - 2015-04-21 20:13 +0000
                Re: The Metric system (Was: Problems with va_list & friends...) David Brown <david.brown@hesbynett.no> - 2015-04-22 10:52 +0200
                Re: The Metric system (Was: Problems with va_list & friends...) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-22 09:18 -0700
                Re: Problems with va_list & friends... raltbos@xs4all.nl (Richard Bos) - 2015-04-21 22:25 +0000
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-23 15:59 -0500
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-23 11:51 -0700
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-23 11:26 -0700
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-20 16:15 -0500
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 17:23 -0400
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 13:17 -0400
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-20 15:26 -0500
                Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-04-20 16:15 -0700
                Re: Problems with va_list & friends... Stephen Sprunk <stephen@sprunk.org> - 2015-04-21 00:42 -0500
                Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-22 11:15 -0700
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 21:50 +0100
                Re: Problems with va_list & friends... James Kuyper <jameskuyper@verizon.net> - 2015-04-20 17:04 -0400
          Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-18 08:22 -0700
            Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-19 18:23 +0100
              Re: Problems with va_list & friends... Keith Thompson <kst-u@mib.org> - 2015-04-19 13:22 -0700
              Re: Problems with va_list & friends... Robert Wessel <robertwessel2@yahoo.com> - 2015-04-19 21:51 -0500
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 10:01 +0100
                Re: Problems with va_list & friends... Robert Wessel <robertwessel2@yahoo.com> - 2015-04-20 05:08 -0500
                Re: Problems with va_list & friends... Richard Heathfield <rjh@cpax.org.uk> - 2015-04-20 11:37 +0100
              Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-23 20:13 -0700
    Re: Problems with va_list & friends... Philipp Klaus Krause <pkk@spth.de> - 2015-04-18 09:15 +0200
      Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-18 12:13 -0700
  Re: Problems with va_list & friends... Richard Damon <Richard@Damon-Family.org> - 2015-04-16 23:40 -0400
  Re: Problems with va_list & friends... Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-18 08:11 -0700

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