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Minor tweaks.

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This commit is contained in:
Stefan Monnier 2006-04-26 05:33:11 +00:00
parent 0a206828d8
commit 50bfbe5fc0
1 changed files with 5 additions and 6 deletions
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11
lispref/modes.texi
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@ -3079,8 +3079,8 @@ While this works well most of the time, sometimes it doesn't---for
example, when a buffer change has changed the syntactic meaning of text
on an earlier line.
You can enlarge (or even reduce) the region to fontify by setting either
of the following variables:
You can enlarge (or even reduce) the region to fontify by setting @c either of
the following variables:
@defvar font-lock-extend-region-function
This buffer-local variable is either @code{nil} or is a function that
@ -3091,10 +3091,9 @@ The function is given three parameters, the standard @var{beg},
@var{end}, and @var{old-len} from after-change-functions (@pxref{Change
Hooks}). It should return either a cons of the beginning and end buffer
positions (in that order) of the region to fontify, or @code{nil} (which
directs the caller to fontify the default region). This function need
not preserve point or the match-data, but must preserve the current
restriction. The region it returns may start or end in the middle of a
line.
directs the caller to fontify the default region). This function needs
to preserve point, the match-data, and the current restriction.
The region it returns may start or end in the middle of a line.
Since this function is called after every buffer change, it should be
reasonably fast.