GNU bug report logs - #16227
24.3.50; info documentation: Command Index not clickable (no links)

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jarek Czekalski <jarekczek <at> poczta.onet.pl>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; info documentation: Command Index not clickable (no links)
Date: Mon, 23 Dec 2013 18:15:47 +0100

Other indexes appear with links in the left column.
The items are clickable and the related info entry opens.
But with Command Index the case is different.
I have no links in this index.
Expected behaviour: Command Index should be clickable.

To be specific. This page displays correctly:
(info "(emacs)Variable Index")
and this one does not:
(info "(emacs)Command Index")



In GNU Emacs 24.3.50.4 (i686-pc-linux-gnu, GTK+ Version 3.8.6)
 of 2013-12-23 on jcdeb
Bzr revision: 115422 eggert <at> cs.ucla.edu-20131208085349-mv0mxz6yqudg8ebq
Windowing system distributor `The X.Org Foundation', version 11.0.11405000
System Description:    Debian GNU/Linux unstable (sid)

Configured using:
 `configure --enable-checking --without-imagemagick --without-png'

Important settings:
  value of $LC_ALL: en_US
  value of $LANG: pl_PL
  locale-coding-system: iso-latin-1-unix
  default enable-multibyte-characters: t

Major mode: Fundamental

Minor modes in effect:
  global-whitespace-mode: t
  global-hl-line-mode: t
  recentf-mode: t
  tooltip-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x r e p o r t <tab> <return>

Recent messages:
Cleaning up the recentf list...done (0 removed)
Loading /root/.emacs.d/packages/folding.el (source)...
../../../../root/.emacs.d/packages/folding.el: `labels' is an obsolete 
macro (as of 24.3); use `cl-labels' instead.
Loading /root/.emacs.d/packages/folding.el (source)...done
Folding buffer... done
Loading /root/.emacs.d/packages/yasnippet.el (source)...done
Loading hl-line...done
Loading whitespace...done
Loading grep...done
For information about GNU Emacs and the GNU system, type C-h C-a.

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None found.

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cl-loaddefs cl-lib server time-date tooltip electric uniquify ediff-hook
vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image
regexp-opt fringe tabulated-list newcomment lisp-mode prog-mode register
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hashtable-print-readable backquote make-network-process dbusbind
gfilenotify dynamic-setting system-font-setting font-render-setting
move-toolbar gtk x-toolkit x multi-tty emacs)

Message #8 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Jarek Czekalski <jarekczek <at> poczta.onet.pl>, 16227 <at> debbugs.gnu.org
Subject: RE: bug#16227: 24.3.50; info documentation: Command Index not
 clickable (no links)
Date: Mon, 23 Dec 2013 09:54:57 -0800 (PST)

> Other indexes appear with links in the left column.
> The items are clickable and the related info entry opens.
> But with Command Index the case is different.
> I have no links in this index.
> Expected behaviour: Command Index should be clickable.

FWIW, I do not see this problem on MS Windows, with this build
(or others):

In GNU Emacs 24.3.50.1 (i686-pc-mingw32)
 of 2013-12-22 on ODIEONE
Bzr revision: 115700 xfq.free <at> gmail.com-20131222231942-q8ftfeg3ft2a1t83
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix=/c/Devel/emacs/binary --enable-checking=yes,glyphs
 'CFLAGS=-O0 -g3' CPPFLAGS=-Ic:/Devel/emacs/include
 LDFLAGS=-Lc:/Devel/emacs/lib'

Message #11 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: jarekczek <at> poczta.onet.pl, 16227 <at> debbugs.gnu.org
Subject: Re: bug#16227: 24.3.50;
 info documentation: Command Index not clickable (no links)
Date: Mon, 23 Dec 2013 20:41:21 +0200

> Date: Mon, 23 Dec 2013 09:54:57 -0800 (PST)
> From: Drew Adams <drew.adams <at> oracle.com>
> 
> > Other indexes appear with links in the left column.
> > The items are clickable and the related info entry opens.
> > But with Command Index the case is different.
> > I have no links in this index.
> > Expected behaviour: Command Index should be clickable.
> 
> FWIW, I do not see this problem on MS Windows, with this build
> (or others):

I do (with today's trunk).

Message #14 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Jarek Czekalski <jarekczek <at> poczta.onet.pl>
To: 16227 <at> debbugs.gnu.org
Subject: bug#16227: 24.3.50; info documentation: Command Index not clickable
 (no links)
Date: Mon, 23 Dec 2013 19:53:31 +0100

Thanks, Drew. Now I know it is something that should work.

When I edit the info file manually and leave just several innocent 
lines, then it starts working. I will investigate further.

Jarek

Message #17 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Jambunathan K <kjambunathan <at> gmail.com>
Cc: Jarek Czekalski <jarekczek <at> poczta.onet.pl>, 16227 <at> debbugs.gnu.org
Subject: RE: bug#16227: 24.3.50; info documentation: Command Index not
 clickable (no links)
Date: Mon, 23 Dec 2013 10:55:15 -0800 (PST)

> > FWIW, I do not see this problem on MS Windows, with this build
> > (or others):
> 
> On 115717, RET works for me in the Command Index.  Jarek probably wants
> parity wrt to text properties (font-locking, mouse-face etc).
> 
> Variable Index has following text properties
> 
>     There are text properties here:
>       font-lock-face       info-xref
>       fontified            t
>       help-echo            "mouse-2: go to Expanding Abbrevs"
>       mouse-face           highlight
> 
> Command Index has following text properties
> 
>     There are text properties here:
>       fontified            t

For me, in 115700, all the properties you see for the var index are
also present for the cmd index.  I can't speak about 115717.

> > Bzr revision: 115700

Message #20 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Jarek Czekalski <jarekczek <at> poczta.onet.pl>
To: 16227 <at> debbugs.gnu.org
Subject: bug#16227: 24.3.50; info documentation: Command Index not clickable
 (no links)
Date: Mon, 23 Dec 2013 20:11:35 +0100

Indeed, RET works. Seems like some threshold is exceeded. When I leave 
about 1385 lines in the info file, it starts to underline the links. 
When I create one more, it doesn't. However cheating with artificial 
1400 same links does not break it.

Giving up at this stage.

Message #23 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Jarek Czekalski <jarekczek <at> poczta.onet.pl>, 16227 <at> debbugs.gnu.org
Subject: RE: bug#16227: 24.3.50; info documentation: Command Index not
 clickable (no links)
Date: Mon, 23 Dec 2013 11:32:46 -0800 (PST)

> Indeed, RET works. Seems like some threshold is exceeded. When I leave
> about 1385 lines in the info file, it starts to underline the links.
> When I create one more, it doesn't. However cheating with artificial
> 1400 same links does not break it.

Does changing the value of `Info-fontify-maximum-menu-size' help?
(Dunno whether that applies here.)

If so, maybe its default value should be increased?

Message #26 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Jarek Czekalski <jarekczek <at> poczta.onet.pl>
Cc: 16227 <at> debbugs.gnu.org
Subject: Re: bug#16227: 24.3.50;
 info documentation: Command Index not clickable (no links)
Date: Mon, 23 Dec 2013 21:35:17 +0200

> Date: Mon, 23 Dec 2013 20:11:35 +0100
> From: Jarek Czekalski <jarekczek <at> poczta.onet.pl>
> 
> Indeed, RET works. Seems like some threshold is exceeded. When I leave 
> about 1385 lines in the info file, it starts to underline the links. 
> When I create one more, it doesn't. However cheating with artificial 
> 1400 same links does not break it.

Heh, it's a feature:

    (defcustom Info-fontify-maximum-menu-size 100000
      "Maximum size of menu to fontify if `font-lock-mode' is non-nil.
    Set to nil to disable node fontification."
      :type 'integer
      :group 'info)

Enlarge it, and that node's menu is fontified.

I guess we need to enlarge the default value.

Message #29 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Jambunathan K <kjambunathan <at> gmail.com>
Cc: Jarek Czekalski <jarekczek <at> poczta.onet.pl>, 16227 <at> debbugs.gnu.org
Subject: RE: bug#16227: 24.3.50; info documentation: Command Index not
 clickable (no links)
Date: Mon, 23 Dec 2013 12:05:48 -0800 (PST)

> It is not clear to me what the above number means (from the docstring)

Yes, it is not just for the usual Info menus.
The doc could be clearer.

Message #32 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Jambunathan K <kjambunathan <at> gmail.com>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: Jarek Czekalski <jarekczek <at> poczta.onet.pl>, 16227 <at> debbugs.gnu.org
Subject: Re: bug#16227: 24.3.50;
 info documentation: Command Index not clickable (no links)
Date: Tue, 24 Dec 2013 00:02:46 +0530

Drew Adams <drew.adams <at> oracle.com> writes:

>> Other indexes appear with links in the left column.
>> The items are clickable and the related info entry opens.
>> But with Command Index the case is different.
>> I have no links in this index.
>> Expected behaviour: Command Index should be clickable.
>
> FWIW, I do not see this problem on MS Windows, with this build
> (or others):

On 115717, RET works for me in the Command Index.  Jarek probably wants
parity wrt to text properties (font-locking, mouse-face etc).

Variable Index has following text properties

    There are text properties here:
      font-lock-face       info-xref
      fontified            t
      help-echo            "mouse-2: go to Expanding Abbrevs"
      mouse-face           highlight

Command Index has following text properties

    There are text properties here:
      fontified            t

>
> In GNU Emacs 24.3.50.1 (i686-pc-mingw32)
>  of 2013-12-22 on ODIEONE
> Bzr revision: 115700 xfq.free <at> gmail.com-20131222231942-q8ftfeg3ft2a1t83
> Windowing system distributor `Microsoft Corp.', version 6.1.7601
> Configured using:
>  `configure --prefix=/c/Devel/emacs/binary --enable-checking=yes,glyphs
>  'CFLAGS=-O0 -g3' CPPFLAGS=-Ic:/Devel/emacs/include
>  LDFLAGS=-Lc:/Devel/emacs/lib'

Message #35 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Jambunathan K <kjambunathan <at> gmail.com>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: Jarek Czekalski <jarekczek <at> poczta.onet.pl>, 16227 <at> debbugs.gnu.org
Subject: Re: bug#16227: 24.3.50;
 info documentation: Command Index not clickable (no links)
Date: Tue, 24 Dec 2013 01:10:18 +0530

Drew Adams <drew.adams <at> oracle.com> writes:

> Does changing the value of `Info-fontify-maximum-menu-size' help?
> (Dunno whether that applies here.)

Command Index has 1649 lines.  Variable Index has 861 lines.

I (blindly) doubled the value to 200000 and I see the underlines.  It is
not clear to me what the above number means (from the docstring)

> If so, maybe its default value should be increased?

I think so.

Of all the indices, Concept Index has the max lines.  Around 1720 odd
lines.

Message #38 received at 16227 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Jambunathan K <kjambunathan <at> gmail.com>
Cc: jarekczek <at> poczta.onet.pl, drew.adams <at> oracle.com, 16227 <at> debbugs.gnu.org
Subject: Re: bug#16227: 24.3.50;
 info documentation: Command Index not clickable (no links)
Date: Tue, 24 Dec 2013 05:42:32 +0200

> From: Jambunathan K <kjambunathan <at> gmail.com>
> Date: Tue, 24 Dec 2013 01:10:18 +0530
> Cc: Jarek Czekalski <jarekczek <at> poczta.onet.pl>, 16227 <at> debbugs.gnu.org
> 
> I (blindly) doubled the value to 200000 and I see the underlines.  It is
> not clear to me what the above number means (from the docstring)

When a variable says "size", it means characters.  In this case, this
number is compared with the size of the node in characters, and if the
node size is larger than that, its menus will not be fontified.

Message #43 received at 16227-done <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: 16227-done <at> debbugs.gnu.org
Subject: Re: bug#16227: 24.3.50;
 info documentation: Command Index not clickable (no links)
Date: Thu, 09 Oct 2014 21:13:47 -0400

Version: 25.1

Bumped Info-fontify-maximum-menu-size x 4.

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