GNU logs - #54961, boring messages

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Subject: bug#54961: 28.1; info-display-manual completions issues
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I'm happy to see info-display-manual added to Emacs 28.1 but
the completions offered leave something to be desired.

First, they include manuals named "./" and "../" which
shouldn't be there.

Second I seem to see duplicates, if I complete with input
"emacs" I see candidates "emacs" and "emacs.info.gz" and
similar duplicates for emacs-mime and emacs-gnutls, so 3
candidates show as 6.  This may be an artifact of the
macport build I'm using.  It happens from emacs -q and I
can't easily test on vanilla gnu emacs.

Third it would be really nice if there were an
affixation-function that added the one line description of
the manual for a completions framework to show when
completions-detailed is t.  Perhaps it could get the info
from Info-dir-contents?

Howard

In GNU Emacs 28.1 (build 1, x86_64-apple-darwin20.6.0, Carbon Version =
164 AppKit 2022.6)
of 2022-04-09 built on Mac-1649520554451.local
Repository revision: ee79b048bbb2fd4a962dfb2204cc7a2f0d5237d8
Repository branch: 28.1-mac-9.0-CI
Windowing system distributor 'Apple Inc.', version 11.6.5
System Description:  macOS 11.6.5

Configured using:
'configure --with-mac
=
--enable-locallisppath=3D/usr/local/share/emacs/site-lisp:/opt/homebrew/sh=
are/emacs/site-lisp
=
--enable-mac-app=3D/Users/runner/work/homebrew-emacsmacport/homebrew-emacs=
macport/build-scripts/emacs-source/tmproot
=
--prefix=3D/Users/runner/work/homebrew-emacsmacport/homebrew-emacsmacport/=
build-scripts/emacs-source/tmproot
--enable-mac-self-contained --with-modules'

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Howard Melman <hmelman@HIDDEN>
Subject: bug#54961: Acknowledgement (28.1; info-display-manual completions
 issues)
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Subject: bug#54961: 28.1; info-display-manual completions issues
Resent-From: Lars Ingebrigtsen <larsi@HIDDEN>
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From: Lars Ingebrigtsen <larsi@HIDDEN>
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Date: Sat, 16 Apr 2022 11:39:30 +0200
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 message of "Fri, 15 Apr 2022 15:04:42 -0400")
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Howard Melman <hmelman@HIDDEN> writes:

> I'm happy to see info-display-manual added to Emacs 28.1

It was added to Emacs 24.1, apparently?

> but the completions offered leave something to be desired.

Yes, indeed.

> First, they include manuals named "./" and "../" which
> shouldn't be there.
>
> Second I seem to see duplicates, if I complete with input
> "emacs" I see candidates "emacs" and "emacs.info.gz" and
> similar duplicates for emacs-mime and emacs-gnutls, so 3
> candidates show as 6.  This may be an artifact of the
> macport build I'm using.  It happens from emacs -q and I
> can't easily test on vanilla gnu emacs.

It happens on Debian, too.  And it includes NEWS and README and other
non-manual things.

> Third it would be really nice if there were an
> affixation-function that added the one line description of
> the manual for a completions framework to show when
> completions-detailed is t.  Perhaps it could get the info
> from Info-dir-contents?

That would indeed be nice, but it would require opening and partially
parsing hundreds of info files, so it would be painfully slow, I think.

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

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Subject: bug#54961: 28.1; info-display-manual completions issues
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Lars Ingebrigtsen <larsi@HIDDEN> writes:

> Howard Melman <hmelman@HIDDEN> writes:
>
>> I'm happy to see info-display-manual added to Emacs 28.1
>
> It was added to Emacs 24.1, apparently?

Ah, the 28.1 NEWS says: *** New keybinding 'C-h R' prompts
for an Info manual and displays it.  so it's just the
binding that's new, or maybe the completion?

>> Third it would be really nice if there were an
>> affixation-function that added the one line description of
>> the manual for a completions framework to show when
>> completions-detailed is t.  Perhaps it could get the info
>> from Info-dir-contents?
>
> That would indeed be nice, but it would require opening
> and partially parsing hundreds of info files, so it would
> be painfully slow, I think.

Agreed, though on my system it's more like tens of files so
might not be so bad.  Hence, my suggestion of using
Info-dir-contents if it was non-nil, though this wouldn't
work before there was an *info* buffer.

-- 

Howard

Last modified: Sat, 16 Apr 2022 11:30:02 UTC

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