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| author | Sean Whitton <spwhitton@spwhitton.name> | 2021-08-19 16:48:59 -0700 |
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| committer | Sean Whitton <spwhitton@spwhitton.name> | 2021-08-19 16:48:59 -0700 |
| commit | 07fcbb558d797272b9f43547da60beda485873a3 (patch) | |
| tree | 77d5da14e9f9d9d8b1d877c70c01296fd3893796 /doc/lispref/syntax.texi | |
| parent | c9bdeff3e45a7ac84a74a81bb048046f82dddc91 (diff) | |
| parent | fb81c8c3adf8633f2f617c82f6019aef630860c7 (diff) | |
| download | emacs-07fcbb558d797272b9f43547da60beda485873a3.tar.gz | |
Merge remote-tracking branch 'origin/master' into athena/unstable
Diffstat (limited to 'doc/lispref/syntax.texi')
| -rw-r--r-- | doc/lispref/syntax.texi | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/doc/lispref/syntax.texi b/doc/lispref/syntax.texi index 2df6c15c4ca..deec3f44c08 100644 --- a/doc/lispref/syntax.texi +++ b/doc/lispref/syntax.texi @@ -572,12 +572,14 @@ The function is called by @code{syntax-ppss} (@pxref{Position Parse}), and by Font Lock mode during syntactic fontification (@pxref{Syntactic Font Lock}). It is called with two arguments, @var{start} and @var{end}, which are the starting and ending positions of the text on -which it should act. It is allowed to call @code{syntax-ppss} on any -position before @var{end}, but if a Lisp program calls -@code{syntax-ppss} on some position and later modifies the buffer at -some earlier position, then it is that program's responsibility to -call @code{syntax-ppss-flush-cache} to flush the now obsolete info -from the cache. +which it should act. It is allowed to arbitrarily move point within +the region delimited by @var{start} and @var{end}; such motions don't +need to use @code{save-excursion} (@pxref{Excursions}). It is also +allowed to call @code{syntax-ppss} on any position before @var{end}, +but if a Lisp program calls @code{syntax-ppss} on some position and +later modifies the buffer at some earlier position, then it is that +program's responsibility to call @code{syntax-ppss-flush-cache} to +flush the now obsolete info from the cache. @strong{Caution:} When this variable is non-@code{nil}, Emacs removes @code{syntax-table} text properties arbitrarily and relies on @@ -1045,6 +1047,11 @@ Given a syntax descriptor @var{desc} (a string), this function returns the corresponding raw syntax descriptor. @end defun +@defun syntax-class-to-char syntax +Given a raw syntax descriptor @var{syntax} (an integer), this function +returns the corresponding syntax descriptor (a character). +@end defun + @defun syntax-after pos This function returns the raw syntax descriptor for the character in the buffer after position @var{pos}, taking account of syntax |