GNU bug report logs - #50272
describe-char and C-u C-x = neglect mentioning anything about width

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Package: emacs; Severity: wishlist; Reported by: 積丹尼 Dan Jacobson <jidanni@HIDDEN>; dated Mon, 30 Aug 2021 15:12:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#50272: describe-char and C-u C-x = neglect mentioning
 anything about width
References: <87czpvrs6u.5.fsf@HIDDEN> <83fsuqkjcz.fsf@HIDDEN>
 <87czpu76lz.fsf@HIDDEN> <837dg1u71p.fsf@HIDDEN>
Date: Tue, 31 Aug 2021 21:58:43 +0800
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>> We could have the command only mention the double-width-ness on
>> terminals?

EZ> I don't think this is what the OP wants.

All I know is in my world, everything is only one or two columns wide.

And even if in some worlds it isn't, it would always be good to know
how wide it is in other worlds. Therefore always show it. Please.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#50272; Package emacs. Full text available.

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From: Eli Zaretskii <eliz@HIDDEN>
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Subject: Re: bug#50272: describe-char and C-u C-x = neglect mentioning
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> From: Lars Ingebrigtsen <larsi@HIDDEN>
> Cc: 積丹尼 Dan Jacobson <jidanni@HIDDEN>,
>   50272 <at> debbugs.gnu.org
> Date: Tue, 31 Aug 2021 03:20:08 +0200
> 
> Eli Zaretskii <eliz@HIDDEN> writes:
> 
> > You mean, you'd like to see which characters are "double-width"?  We
> > could add that, but on GUI frames that would just confuse, because
> > those "double-width" characters more often than not take less than two
> > full columns, especially if you happen to use variable-pitch font for
> > such exotic characters (something that happens quite a lot).
> >
> > The width information is only more-or-less accurate on text-mode
> > terminals.  I wonder how to avoid confusing users with this.
> >
> > Does anyone have ideas?
> 
> We could have the command only mention the double-width-ness on
> terminals?

I don't think this is what the OP wants.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#50272; Package emacs. Full text available.

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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#50272: describe-char and C-u C-x = neglect mentioning
 anything about width
References: <87czpvrs6u.5.fsf@HIDDEN> <83fsuqkjcz.fsf@HIDDEN>
Date: Tue, 31 Aug 2021 03:20:08 +0200
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 Content preview:  Eli Zaretskii <eliz@HIDDEN> writes: > You mean, you'd like
 to see which characters are "double-width"? We > could add that, but on GUI
 frames that would just confuse, because > those "double-width" characters
 more often than not take le [...] 
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Eli Zaretskii <eliz@HIDDEN> writes:

> You mean, you'd like to see which characters are "double-width"?  We
> could add that, but on GUI frames that would just confuse, because
> those "double-width" characters more often than not take less than two
> full columns, especially if you happen to use variable-pitch font for
> such exotic characters (something that happens quite a lot).
>
> The width information is only more-or-less accurate on text-mode
> terminals.  I wonder how to avoid confusing users with this.
>
> Does anyone have ideas?

We could have the command only mention the double-width-ness on
terminals?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#50272; Package emacs. Full text available.

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Subject: Re: bug#50272: describe-char and C-u C-x = neglect mentioning anything
 about width
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> From: 積丹尼 Dan Jacobson
>  <jidanni@HIDDEN>
> Date: Mon, 30 Aug 2021 21:13:45 +0800
> 
> describe-char and C-u C-x = neglect mentioning anything about width. Try
> them on
> $ unicode --max 0 --brief -r BOX.*X
> ☒ U+2612 BALLOT BOX WITH X
> ⮽ U+2BBD BALLOT BOX WITH LIGHT X
> 🗵 U+1F5F5 BALLOT BOX WITH SCRIPT X
> 🗷 U+1F5F7 BALLOT BOX WITH BOLD SCRIPT X
> They go into great detail, but miss mentioning width.

You mean, you'd like to see which characters are "double-width"?  We
could add that, but on GUI frames that would just confuse, because
those "double-width" characters more often than not take less than two
full columns, especially if you happen to use variable-pitch font for
such exotic characters (something that happens quite a lot).

The width information is only more-or-less accurate on text-mode
terminals.  I wonder how to avoid confusing users with this.

Does anyone have ideas?





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bug#50272; Package emacs. Full text available.

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From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: describe-char and C-u C-x = neglect mentioning anything about width
Date: Mon, 30 Aug 2021 21:13:45 +0800
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describe-char and C-u C-x =3D neglect mentioning anything about width. Tr=
y
them on
$ unicode --max 0 --brief -r BOX.*X
=E2=98=92 U+2612 BALLOT BOX WITH X
=E2=AE=BD U+2BBD BALLOT BOX WITH LIGHT X
=F0=9F=97=B5 U+1F5F5 BALLOT BOX WITH SCRIPT X
=F0=9F=97=B7 U+1F5F7 BALLOT BOX WITH BOLD SCRIPT X
They go into great detail, but miss mentioning width.
Some occupy one column, some two, we can see that. But the commands
don't mention it. emacs-version "27.1".




Acknowledgement sent to 積丹尼 Dan Jacobson <jidanni@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#50272; Package emacs. Full text available.
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