* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
@ 2015-01-28 22:55 Joost Kremers
2015-01-29 2:42 ` Glenn Morris
0 siblings, 1 reply; 11+ messages in thread
From: Joost Kremers @ 2015-01-28 22:55 UTC (permalink / raw)
To: 19720
Font lock keywords added with `font-lock-add-keywords' in a minor mode's
activation function do not work when the minor mode is activated in a
major mode's hook and the major mode is activated through an entry in
`auto-mode-alist'. They work fine if the major mode is activated
manually (i.e., with `M-x <major-mode>').
I discovered the problem when I added font lock keywords to
`pandoc-mode` and opened a Markdown file. `pandoc-mode' is a minor mode
that I activate in `markdown-mode-hook'.
I haven't tested it with other major/minor modes, therefore I can't be
sure if it's related to either `markdown-mode' or `pandoc-mode', or if
it's a general problem.
Recipe to reproduce:
- Start Emacs with `emacs -Q'
- load `markdown-mode.el' (from http://jblevins.org/projects/markdown-mode/markdown-mode.el )
- load `pandoc-mode.el' (from https://github.com/joostkremers/pandoc-mode )
- (add-hook 'markdown-mode-hook 'pandoc-mode)
- (add-to-list 'auto-mode-alist '("\\.text\\'" . markdown-mode))
- save the following text as `sample.text' and open:
====================
This is a simple Markdown test file. It contains a citation
[@Chomsky1995], a Pandoc-specific Markdown extension. The citation
should be fontified, but this does not happens when `markdown-mode' is
activated through `auto-mode-alist'. To make sure the file is fontified,
*this* should be in _italic_ and __this__ in **boldface**.
====================
As stated, the citation `[@Chomsky1995]' should be fontified, but when
the file is first opened, it is not.
Note that `pandoc-mode' *is* active (all other functionality works) and
that right after the call to `font-lock-add-keywords' in `pandoc-mode'
(`pandoc-faces-load', to be exact), the buffer-local value of
`font-lock-keywords' *does* contain the new keywords. (I tested this by
assigning the value of `font-lock-keywords' to another variable right
after the call to `font-lock-add-keywords'.) For some reason, however,
the keywords are removed again, because when Emacs has finished opening
the file, `C-h v font-lock-keywords' only shows the keywords added by
`markdown-mode', not those added by `pandoc-mode'.
When `markdown-mode' is activated with `M-x markdown-mode', the
font-lock keywords that `pandoc-mode' adds work: the relevant elements
are fontified and `C-h v font-lock-keywords' shows that the keywords are
there.
in GNU Emacs 24.4.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.2)
of 2014-10-22 on IdeaPad
Windowing system distributor `The X.Org Foundation', version 11.0.11501000
System Description: elementary OS Luna
Important settings:
value of $LC_MONETARY: en_IE.UTF-8
value of $LC_NUMERIC: en_IE.UTF-8
value of $LC_TIME: en_IE.UTF-8
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: EShell
Minor modes in effect:
TeX-PDF-mode: t
shell-dirtrack-mode: t
global-undo-tree-mode: t
undo-tree-mode: t
global-edit-server-edit-mode: t
ido-vertical-mode: t
global-auto-complete-mode: t
pyvenv-mode: t
guide-key-mode: t
global-aggressive-indent-mode: t
autopair-global-mode: t
autopair-mode: t
global-visual-fill-column-mode: t
show-paren-mode: t
ido-everywhere: t
delete-selection-mode: t
override-global-mode: t
tooltip-mode: t
mouse-wheel-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
. p y <tab> <kp-home> n n n n n n n n - x y p R S <backspace>
l i e b e SPC r <backspace> F r a u M-b M-b M-c C-e
SPC G e r n e r t , <return> <return> <return> C-t
e n t s c h u l d i g e n SPC n i e <M-backspace> S
i e SPC b i t t e SPC d i e SPC s p ' a t e <M-backspace>
<backspace> SPC s p " a t e SPC <M-backspace> <backspace>
C-\ " a t e SPC A n t w o r t . SPC H a t SPC e m i
n <M-backspace> m e i n e SPC E m a i l SPC v o n SPC
l e t z t e r SPC W o c h e SPC a l l e SPC I h r e
SPC F r a g e n SPC b e a n t w o r t e t M-b M-b M-b
<M-backspace> C-e , o d <backspace> <backspace> SPC
o d e r SPC <return> <return> C-t C-b s i n d SPC s
<backspace> n o c h SPC F r a g e n SPC o f f e n SPC
g e b l i e b e n ? <return> <return> m f g <tab> C-c
C-c o c l <tab> . p y <tab> y m o c l <tab> . p y <tab>
q b u n n n n n n n n D q G <C-tab> s-m U b u D D <return>
q D q z c d <return> M-x r e p o r t <tab> <return
>
Recent messages:
[mu4e] Retrieving mail...done
[mu4e] Indexing... processed 30000, updated 8
[mu4e] Indexing completed; processed 30216, updated 8, cleaned-up 4
[mu4e] Contacts received: 4678
[mu4e] Retrieving mail...done
[mu4e] Indexing... processed 30000, updated 4
[mu4e] Indexing completed; processed 30217, updated 4, cleaned-up 2
[mu4e] Contacts received: 4678
[mu4e] mu4e-main-mode
[mu4e] Found 32 matching messages
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x-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list
newcomment lisp-mode prog-mode register page menu-bar rfn-eshadow timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai
tai-viet lao korean japanese hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help
simple abbrev minibuffer nadvice loaddefs button faces cus-face macroexp
files text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget 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)
Memory information:
((conses 16 749602 67603)
(symbols 48 53753 0)
(miscs 40 4968 8773)
(strings 32 162236 29282)
(string-bytes 1 4424883)
(vectors 16 78290)
(vector-slots 8 1973759 149184)
(floats 8 1419 1415)
(intervals 56 26254 4869)
(buffers 960 60)
(heap 1024 80290 20455))
--
Joost Kremers
Life has its moments
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-28 22:55 bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem Joost Kremers
@ 2015-01-29 2:42 ` Glenn Morris
2015-01-29 3:14 ` Dmitry Gutov
0 siblings, 1 reply; 11+ messages in thread
From: Glenn Morris @ 2015-01-29 2:42 UTC (permalink / raw)
To: Joost Kremers; +Cc: 19720
Joost Kremers wrote:
> Font lock keywords added with `font-lock-add-keywords' in a minor mode's
> activation function do not work when the minor mode is activated in a
> major mode's hook and the major mode is activated through an entry in
> `auto-mode-alist'.
The minimal example works fine:
emacs-24.4 -Q -l foo.el foo.txt
where foo.el has contents:
(define-minor-mode foobar-mode "blah" :initial-value nil
(font-lock-add-keywords nil '(("foobar" . 'font-lock-warning-face))))
(add-hook 'text-mode-hook 'foobar-mode)
and foo.txt contains:
foobar
foobar gets font-lock-warning-face.
So your problem may be specific to your specific modes.
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 2:42 ` Glenn Morris
@ 2015-01-29 3:14 ` Dmitry Gutov
2015-01-29 3:59 ` Glenn Morris
0 siblings, 1 reply; 11+ messages in thread
From: Dmitry Gutov @ 2015-01-29 3:14 UTC (permalink / raw)
To: Glenn Morris, Joost Kremers; +Cc: 19720
On 01/29/2015 04:42 AM, Glenn Morris wrote:
> (add-hook 'text-mode-hook 'foobar-mode)
I think we need a better example: text-mode doesn't even set
font-lock-keywords.
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 3:14 ` Dmitry Gutov
@ 2015-01-29 3:59 ` Glenn Morris
2015-01-29 6:42 ` Joost Kremers
0 siblings, 1 reply; 11+ messages in thread
From: Glenn Morris @ 2015-01-29 3:59 UTC (permalink / raw)
To: Dmitry Gutov; +Cc: Joost Kremers, 19720
Dmitry Gutov wrote:
> On 01/29/2015 04:42 AM, Glenn Morris wrote:
>
>> (add-hook 'text-mode-hook 'foobar-mode)
>
> I think we need a better example: text-mode doesn't even set
> font-lock-keywords.
s/text/f90
same result.
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 3:59 ` Glenn Morris
@ 2015-01-29 6:42 ` Joost Kremers
2015-01-29 10:11 ` Dmitry Gutov
0 siblings, 1 reply; 11+ messages in thread
From: Joost Kremers @ 2015-01-29 6:42 UTC (permalink / raw)
To: Glenn Morris; +Cc: 19720, Dmitry Gutov
On Thu, Jan 29 2015, Glenn Morris <rgm@gnu.org> wrote:
> Dmitry Gutov wrote:
>
>> On 01/29/2015 04:42 AM, Glenn Morris wrote:
>>
>>> (add-hook 'text-mode-hook 'foobar-mode)
>>
>> I think we need a better example: text-mode doesn't even set
>> font-lock-keywords.
>
> s/text/f90
>
> same result.
Yup. Looks like it's a problem with `markdown-mode'.
Sorry for the noise.
--
Joost Kremers
Life has its moments
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 6:42 ` Joost Kremers
@ 2015-01-29 10:11 ` Dmitry Gutov
2015-01-29 11:11 ` Joost Kremers
0 siblings, 1 reply; 11+ messages in thread
From: Dmitry Gutov @ 2015-01-29 10:11 UTC (permalink / raw)
To: Joost Kremers, Glenn Morris; +Cc: 19720
On 01/29/2015 08:42 AM, Joost Kremers wrote:
> Yup. Looks like it's a problem with `markdown-mode'.
But what kind of problem?
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 10:11 ` Dmitry Gutov
@ 2015-01-29 11:11 ` Joost Kremers
2015-01-29 11:36 ` Dmitry Gutov
2019-10-30 15:51 ` Lars Ingebrigtsen
0 siblings, 2 replies; 11+ messages in thread
From: Joost Kremers @ 2015-01-29 11:11 UTC (permalink / raw)
To: Dmitry Gutov; +Cc: 19720
On Thu, Jan 29 2015, Dmitry Gutov <dgutov@yandex.ru> wrote:
> On 01/29/2015 08:42 AM, Joost Kremers wrote:
>
>> Yup. Looks like it's a problem with `markdown-mode'.
>
> But what kind of problem?
I've been trying to figure that out, but haven't gotten very far yet.
I'm no expert on font-lock and I can't really tell if `markdown-mode'
does anything out of the ordinary with it.
I'll take this back to gnu.emacs.help and also send the maintainer of
`markdown-mode' an email. Perhaps he can shed some light on this.
--
Joost Kremers
Life has its moments
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 11:11 ` Joost Kremers
@ 2015-01-29 11:36 ` Dmitry Gutov
2015-01-29 15:12 ` Stefan Monnier
2019-10-30 15:51 ` Lars Ingebrigtsen
1 sibling, 1 reply; 11+ messages in thread
From: Dmitry Gutov @ 2015-01-29 11:36 UTC (permalink / raw)
To: Joost Kremers; +Cc: 19720
On 01/29/2015 01:11 PM, Joost Kremers wrote:
> I've been trying to figure that out, but haven't gotten very far yet.
> I'm no expert on font-lock and I can't really tell if `markdown-mode'
> does anything out of the ordinary with it.
>
> I'll take this back to gnu.emacs.help and also send the maintainer of
> `markdown-mode' an email. Perhaps he can shed some light on this.
Looks like the problem is that `markdown-reload-extensions', which is
called from `markdown-mode', not only sets `font-lock-defaults', but
also calls `font-lock-refresh-defaults'.
This function is also added to `hack-local-variables-hook'.
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 11:36 ` Dmitry Gutov
@ 2015-01-29 15:12 ` Stefan Monnier
2015-01-30 16:59 ` Joost Kremers
0 siblings, 1 reply; 11+ messages in thread
From: Stefan Monnier @ 2015-01-29 15:12 UTC (permalink / raw)
To: Dmitry Gutov; +Cc: Joost Kremers, 19720
> Looks like the problem is that `markdown-reload-extensions', which is called
> from `markdown-mode', not only sets `font-lock-defaults', but also calls
> `font-lock-refresh-defaults'.
FWIW, I think part of the problem is that there's no way to "reset
font-lock-keywords" without throwing away all the keywords added via
font-lock-add-keywords.
Stefan
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 15:12 ` Stefan Monnier
@ 2015-01-30 16:59 ` Joost Kremers
0 siblings, 0 replies; 11+ messages in thread
From: Joost Kremers @ 2015-01-30 16:59 UTC (permalink / raw)
To: Stefan Monnier; +Cc: 19720, Dmitry Gutov
On Thu, Jan 29 2015, Stefan Monnier <monnier@IRO.UMontreal.CA> wrote:
>> Looks like the problem is that `markdown-reload-extensions', which is called
>> from `markdown-mode', not only sets `font-lock-defaults', but also calls
>> `font-lock-refresh-defaults'.
>
> FWIW, I think part of the problem is that there's no way to "reset
> font-lock-keywords" without throwing away all the keywords added via
> font-lock-add-keywords.
But why does it only happen when the mode is set through an entry in
`auto-mode-alist' and not when I activate `markdown-mode' myself with
`M-x markdown-mode'?
--
Joost Kremers
Life has its moments
^ permalink raw reply [flat|nested] 11+ messages in thread
* bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem
2015-01-29 11:11 ` Joost Kremers
2015-01-29 11:36 ` Dmitry Gutov
@ 2019-10-30 15:51 ` Lars Ingebrigtsen
1 sibling, 0 replies; 11+ messages in thread
From: Lars Ingebrigtsen @ 2019-10-30 15:51 UTC (permalink / raw)
To: Joost Kremers; +Cc: 19720, Dmitry Gutov
Joost Kremers <joostkremers@fastmail.fm> writes:
> I've been trying to figure that out, but haven't gotten very far yet.
> I'm no expert on font-lock and I can't really tell if `markdown-mode'
> does anything out of the ordinary with it.
>
> I'll take this back to gnu.emacs.help and also send the maintainer of
> `markdown-mode' an email. Perhaps he can shed some light on this.
This seems to be a problem in markdown-mode (which is an external
package), and not in Emacs, so I'm closing this bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2019-10-30 15:51 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-01-28 22:55 bug#19720: 24.4; minor mode's font-lock-add-keywords & auto-mode-alist problem Joost Kremers
2015-01-29 2:42 ` Glenn Morris
2015-01-29 3:14 ` Dmitry Gutov
2015-01-29 3:59 ` Glenn Morris
2015-01-29 6:42 ` Joost Kremers
2015-01-29 10:11 ` Dmitry Gutov
2015-01-29 11:11 ` Joost Kremers
2015-01-29 11:36 ` Dmitry Gutov
2015-01-29 15:12 ` Stefan Monnier
2015-01-30 16:59 ` Joost Kremers
2019-10-30 15:51 ` Lars Ingebrigtsen
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