From: "Pablo Mercader Alcántara" <programingfrik@gmail.com>
To: 25641@debbugs.gnu.org
Subject: bug#25641: 25.1; insert-char function inconsistency
Date: Tue, 7 Feb 2017 20:45:43 -0400 [thread overview]
Message-ID: <CAPQ4eM+Jbie==Chf6iRyKaPmp8K5XCuHkLJyT00QjPTF33R5Xw@mail.gmail.com> (raw)
In-Reply-To: <87a89y6ifh.fsf@rosalinde>
Ok, I understand both arguments. I think it's a trivial problem too.
I had the problem because the first time I typed exactly what the help
buffer told me. But later I saw that there were different "BELL"
characters with different terminations. The problem is that the
information in the help screen should say C-x 8 RET BELL (BEL) for one
character and C-x 8 RET BELL for the other.
I know its a really small thing. Any way thanks for the fast answer!
2017-02-07 13:04 GMT-04:00 Stephen Berman <stephen.berman@gmx.net>:
> On Tue, 07 Feb 2017 18:08:48 +0200 Eli Zaretskii <eliz@gnu.org> wrote:
>
>>> From: Pablo Mercader Alcántara <programingfrik@gmail.com>
>>> Date: Tue, 7 Feb 2017 09:04:01 -0400
>>>
>>> Character code properties: customize what to show
>>> old-name: BELL
>>> general-category: Cc (Other, Control)
>>> [...]
>>> Character code properties: customize what to show
>>> name: BELL
>>> general-category: So (Symbol, Other)
>>> decomposition: (128276) ('🔔')
>>>
>>> Its a different character but it also states that I could write it using
>>> C-x 8 RET BELL. To me that is an inconsistency, because one of the
>>> commands that the help screen showed me was C-x 8 RET BELL and that
>>> clearly doesn't work.
>>
>> It's not an inconsistency: the first one has BELL as its "old name"
>> property (and has no "name" property), the second one as its "name"
>> property. This is per Unicode definitions in their character
>> database, which Emacs uses for this feature. Unicode removed the
>> names of low control characters in some version of their standard,
>> leaving the "old name" behind for compatibility.
>>
>> Emacs displays "old name" if "name" is missing.
>>
>> If you type "C-x 8 RET BELL" and hit TAB right after that, Emacs will
>> tell you this is "complete, but not unique". Another TAB will pop up
>> the list of completion candidates, where you will see both BELLs (and
>> a couple more characters).
>>
>> I don't think there's a bug here.
>
> But as the OP noted, the *Help* buffer for the character #x7 says:
>
> to input: type "C-x 8 RET 7" or "C-x 8 RET BELL"
>
> yet hitting RET after `C-x RET BELL' only inserts the character #x1f514;
> the only way to insert it via `C-x 8' is to hit TAB and then click on
> the entry `BELL (BEL)' in the *Completions* buffer. So the *Help* is at
> best misleading.
>
> Steve Berman
next prev parent reply other threads:[~2017-02-08 0:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-07 13:04 bug#25641: 25.1; insert-char function inconsistency Pablo Mercader Alcántara
2017-02-07 16:08 ` Eli Zaretskii
2017-02-07 17:04 ` Stephen Berman
2017-02-08 0:45 ` Pablo Mercader Alcántara [this message]
2017-02-08 13:15 ` Stephen Berman
2017-02-08 17:54 ` Eli Zaretskii
2017-02-08 21:43 ` Stephen Berman
2017-02-08 22:01 ` Pablo Mercader Alcántara
2017-02-09 14:15 ` Stephen Berman
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