From: Glenn Morris <rgm@gnu.org>
To: Derick Eddington <derick.eddington@gmail.com>
Cc: 1534@emacsbugs.donarmstrong.com
Subject: bug#1534: Font lock decoration levels mismatch?
Date: Fri, 12 Dec 2008 15:34:33 -0500 [thread overview]
Message-ID: <4xoczhuo86.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <1229107734.29413.18.camel@eep> (Derick Eddington's message of "Fri, 12 Dec 2008 10:48:54 -0800")
Derick Eddington wrote:
>> > when I customize the level for a specific mode (one I'm still
>> > developing) the number given to Customize is 0-based not 1-based;
>> > i.e., my `font-lock-defaults' `KEYWORDS' member is like `(level-1
>> > level-2 level-3 level-4)' and, e.g., to make Customize use
>> > level-3 I have to tell it the number 2.
[...]
> I'm customizing `font-lock-maximum-decoration'. It's documentation says:
[...]
> ((c-mode . t) (c++-mode . 2) (t . 1))
> means use the maximum decoration available for buffers in C
> mode, level 2 decoration for buffers in C++ mode, and level 1
> decoration otherwise.
[...]
> When I start customizing it from its default state and activate the
> "Value Menu" with "mode specific", I get:
>
> INS DEL Instance:
> Mode:
> (*) all
> ( ) name: nil
> Decoration:
> ( ) default
> (*) maximum
> ( ) level: 1
OK. So where's the part where you have to say 2 in order to get 3?
If I use customize to say:
mode: all : maximum
mode: name : f90-mode : level 2
Then I get level 2 highlighting in F90 buffers.
Oh, perhaps I see the problem. You said:
my `font-lock-defaults' `KEYWORDS' member is like `(level-1 level-2
level-3 level-4)'
There should be a separate element at the start giving the default
highlighting for the mode. See for example f90-mode:
(set (make-local-variable 'font-lock-defaults)
'((f90-font-lock-keywords f90-font-lock-keywords-1
f90-font-lock-keywords-2
f90-font-lock-keywords-3
f90-font-lock-keywords-4)
nil t))
(or grep for "keywords-1" in the lisp sources)
That does indeed look like a documentation bug in the manual...
next prev parent reply other threads:[~2008-12-12 20:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fcr64c7lio.fsf@fencepost.gnu.org>
2008-12-10 19:51 ` bug#1534: Font lock decoration levels mismatch? Derick Eddington
2008-12-11 23:52 ` Glenn Morris
2008-12-12 18:48 ` Derick Eddington
2008-12-12 20:34 ` Glenn Morris [this message]
2008-12-13 4:25 ` bug#1534: marked as done (Font lock decoration levels mismatch?) Emacs bug Tracking System
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