GNU bug report logs - #75861
31.0.50; calc units error

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Michael Heerdegen <michael_heerdegen <at> web.de>, Ulrich Müller <ulm <at> gentoo.org>
Cc: cog <at> pelagi.cc, schwab <at> suse.de, 75861 <at> debbugs.gnu.org
Subject: bug#75861: 31.0.50; calc units error
Date: Sat, 01 Feb 2025 10:43:28 +0200

> From: Michael Heerdegen <michael_heerdegen <at> web.de>
> Cc: schwab <at> suse.de,  75861 <at> debbugs.gnu.org,  eliz <at> gnu.org
> Date: Sat, 01 Feb 2025 00:37:38 +0100
> 
> Hello,
> 
> Ulrich, you were the last one to change code in "calc-units.el" so I
> just CC you here if you don't mind... if you get the chance, could you
> maybe have a look into this issue?
> 
> > It seems that a better design would always interpret built-in
> > expressions in the default language.  Or better yet warn that the
> > units functionality is only available in the default language.
> 
> I don't think this is necessary, the combination of unit definition and
> language syntax is still a special case.  I would want to try to fix
> this.
> 
> One simple possibility could be to predefine ln(10) as a math constant
> and refer to it in the unit definition.  I think we did something
> similar in other places, don't recall the reasons.
> 
> > Since '1 cm' doesn't mean anything in the other languages anyway.
> 
> Isn't it interpreted the same in all language modes?

Adding Ulrich.

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