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| author | Chong Yidong <cyd@gnu.org> | 2012-02-16 22:43:41 +0800 |
|---|---|---|
| committer | Chong Yidong <cyd@gnu.org> | 2012-02-16 22:43:41 +0800 |
| commit | 4230351b56aa91460e144ed0845692652c9b47ec (patch) | |
| tree | a1ed79f490f25c40315a0ce090d8f2d4e8d392bf /doc/lispref/modes.texi | |
| parent | 74db95ca362801386ca2ecd4cc9fc0d30a6d6b8f (diff) | |
| download | emacs-4230351b56aa91460e144ed0845692652c9b47ec.tar.gz | |
Update Syntax chapter of Lisp manual.
* doc/lispref/syntax.texi (Syntax Tables, Syntax Descriptors)
(Syntax Table Functions): Copyedits.
(Syntax Basics): Don't repeat the material in the preceding node.
(Syntax Class Table): Use a table.
(Syntax Properties): Document syntax-propertize-function and
syntax-propertize-extend-region-functions.
(Motion via Parsing): Fix indentation.
(Parser State): Update for the new "c" comment style. Fix
description of item 7 (comment style).
* doc/lispref/modes.texi (Syntactic Font Lock): Add xref to Syntactic Font Lock node.
Diffstat (limited to 'doc/lispref/modes.texi')
| -rw-r--r-- | doc/lispref/modes.texi | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/lispref/modes.texi b/doc/lispref/modes.texi index c3356ef882a..3c5fbfb22c9 100644 --- a/doc/lispref/modes.texi +++ b/doc/lispref/modes.texi @@ -2995,6 +2995,12 @@ which syntactic constructs to highlight. There are several variables that affect syntactic fontification; you should set them by means of @code{font-lock-defaults} (@pxref{Font Lock Basics}). + Whenever Font Lock mode performs syntactic fontification on a stretch +of text, it first calls the function specified by +@code{syntax-propertize-function}. Major modes can use this to apply +@code{syntax-table} text properties to override the buffer's syntax +table in special cases. @xref{Syntax Properties}. + @defvar font-lock-keywords-only If the value of this variable is non-@code{nil}, Font Lock does not do syntactic fontification, only search-based fontification based on @@ -3191,7 +3197,7 @@ reasonably fast. @end defvar @node Auto-Indentation -@section Auto-indentation of code +@section Automatic Indentation of code For programming languages, an important feature of a major mode is to provide automatic indentation. This is controlled in Emacs by @@ -3214,7 +3220,7 @@ for a compiler, but on the other hand, the parser embedded in the indentation code will want to be somewhat friendly to syntactically incorrect code. -Good maintainable indentation functions usually fall into 2 categories: +Good maintainable indentation functions usually fall into two categories: either parsing forward from some ``safe'' starting point until the position of interest, or parsing backward from the position of interest. Neither of the two is a clearly better choice than the other: parsing |