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Explain what major modes can do for imenu and font-lock.

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Richard M. Stallman 1996-10-12 16:10:09 +00:00
parent 6af28e9fac
commit be9345cf6f
1 changed files with 19 additions and 0 deletions
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19
lispref/modes.texi
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@ -152,6 +152,11 @@ related modes. If it has its own syntax table, it should store this in
a variable named @code{@var{modename}-mode-syntax-table}. @xref{Syntax
Tables}.
@item
If the mode handles a language that has a syntax for comments, it should
set the variables that define the comment syntax. @xref{Options for
Comments,, Options Controlling Comments, emacs, The GNU Emacs Manual}.
@item
@cindex abbrev tables in modes
The mode may have its own abbrev table or may share one with other
@ -159,6 +164,20 @@ related modes. If it has its own abbrev table, it should store this in
a variable named @code{@var{modename}-mode-abbrev-table}. @xref{Abbrev
Tables}.
@item
@vindex font-lock-defaults
The mode should specify how to do highlighting for Font Lock mode, by
setting up a buffer-local value for the variable
@code{font-lock-defaults}.
@item
@vindex imenu-generic-expression
@vindex imenu-create-index-function
The mode should specify how Imenu should find the definitions or
sections of a buffer, by setting up a buffer-local value for the
variable @code{imenu-generic-expression} or
@code{imenu-create-index-function}.
@item
Use @code{defvar} to set mode-related variables, so that they are not
reinitialized if they already have a value. (Such reinitialization