/[emacs]/emacs/lisp/font-lock.el
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revision 1.243 by monnier, Wed Apr 27 19:43:50 2005 UTC revision 1.244 by lute, Thu Apr 28 11:48:53 2005 UTC
# Line 466  user-level keywords, but normally their Line 466  user-level keywords, but normally their
466  optimized.")  optimized.")
467    
468  (defvar font-lock-keywords-alist nil  (defvar font-lock-keywords-alist nil
469    "*Alist of `font-lock-keywords' local to a `major-mode'.    "Alist of `font-lock-keywords' local to a `major-mode'.
470  This is normally set via `font-lock-add-keywords' and  This is normally set via `font-lock-add-keywords' and
471  `font-lock-remove-keywords'.")  `font-lock-remove-keywords'.")
472    
473  (defvar font-lock-removed-keywords-alist nil  (defvar font-lock-removed-keywords-alist nil
474    "*Alist of `font-lock-keywords' removed from `major-mode'.    "Alist of `font-lock-keywords' removed from `major-mode'.
475  This is normally set via `font-lock-add-keywords' and  This is normally set via `font-lock-add-keywords' and
476  `font-lock-remove-keywords'.")  `font-lock-remove-keywords'.")
477    
# Line 664  For example: Line 664  For example:
664  adds two fontification patterns for C mode, to fontify `FIXME:' words, even in  adds two fontification patterns for C mode, to fontify `FIXME:' words, even in
665  comments, and to fontify `and', `or' and `not' words as keywords.  comments, and to fontify `and', `or' and `not' words as keywords.
666    
667  When used from an elisp package (such as a minor mode), it is recommended  When used from a Lisp program (such as a minor mode), it is recommended to
668  to use nil for MODE (and place the call in a loop or on a hook) to avoid  use nil for MODE (and place the call on a hook) to avoid subtle problems
669  subtle problems due to details of the implementation.  due to details of the implementation.
670    
671  Note that some modes have specialized support for additional patterns, e.g.,  Note that some modes have specialized support for additional patterns, e.g.,
672  see the variables `c-font-lock-extra-types', `c++-font-lock-extra-types',  see the variables `c-font-lock-extra-types', `c++-font-lock-extra-types',
# Line 707  see the variables `c-font-lock-extra-typ Line 707  see the variables `c-font-lock-extra-typ
707                      (font-lock-compile-keywords font-lock-keywords t)))))))                      (font-lock-compile-keywords font-lock-keywords t)))))))
708    
709  (defun font-lock-update-removed-keyword-alist (mode keywords append)  (defun font-lock-update-removed-keyword-alist (mode keywords append)
710    ;; Update `font-lock-removed-keywords-alist' when adding new    "Update `font-lock-removed-keywords-alist' when adding new KEYWORDS to MODE."
   ;; KEYWORDS to MODE.  
   ;;  
711    ;; When font-lock is enabled first all keywords in the list    ;; When font-lock is enabled first all keywords in the list
712    ;; `font-lock-keywords-alist' are added, then all keywords in the    ;; `font-lock-keywords-alist' are added, then all keywords in the
713    ;; list `font-lock-removed-keywords-alist' are removed.  If a    ;; list `font-lock-removed-keywords-alist' are removed.  If a
# Line 757  see the variables `c-font-lock-extra-typ Line 755  see the variables `c-font-lock-extra-typ
755  MODE should be a symbol, the major mode command name, such as `c-mode'  MODE should be a symbol, the major mode command name, such as `c-mode'
756  or nil.  If nil, highlighting keywords are removed for the current buffer.  or nil.  If nil, highlighting keywords are removed for the current buffer.
757    
758  When used from an elisp package (such as a minor mode), it is recommended  When used from a Lisp program (such as a minor mode), it is recommended to
759  to use nil for MODE (and place the call in a loop or on a hook) to avoid  use nil for MODE (and place the call on a hook) to avoid subtle problems
760  subtle problems due to details of the implementation."  due to details of the implementation."
761    (cond (mode    (cond (mode
762           ;; Remove one keyword at the time.           ;; Remove one keyword at the time.
763           (dolist (keyword keywords)           (dolist (keyword keywords)

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