X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/99a33b77e15b9a075024701d060d912b2fd87caf..c4dd9efc9ed3f7de8f4ee74b6d47f65ad72320cf:/lisp/font-core.el diff --git a/lisp/font-core.el b/lisp/font-core.el index fcaaf33b71..17bfa29617 100644 --- a/lisp/font-core.el +++ b/lisp/font-core.el @@ -1,6 +1,6 @@ ;;; font-core.el --- Core interface to font-lock -;; Copyright (C) 1992-2011 Free Software Foundation, Inc. +;; Copyright (C) 1992-2013 Free Software Foundation, Inc. ;; Maintainer: FSF ;; Keywords: languages, faces @@ -86,12 +86,12 @@ It will be passed one argument, which is the current value of ;; The mode for which font-lock was initialized, or nil if none. (defvar font-lock-major-mode) + (define-minor-mode font-lock-mode - "Toggle Font Lock mode. -With arg, turn Font Lock mode off if and only if arg is a non-positive -number; if arg is nil, toggle Font Lock mode; anything else turns Font -Lock on. -\(Font Lock is also known as \"syntax highlighting\".) + "Toggle syntax highlighting in this buffer (Font Lock mode). +With a prefix argument ARG, enable Font Lock mode if ARG is +positive, and disable it otherwise. If called from Lisp, enable +the mode if ARG is omitted or nil. When Font Lock mode is enabled, text is fontified as you type it: @@ -138,6 +138,7 @@ The above is the default behavior of `font-lock-mode'; you may specify your own function which is called when `font-lock-mode' is toggled via `font-lock-function'. " nil nil nil + :after-hook (font-lock-initial-fontify) ;; Don't turn on Font Lock mode if we don't have a display (we're running a ;; batch job) or if the buffer is invisible (the name starts with a space). (when (or noninteractive (eq (aref (buffer-name) 0) ?\s)) @@ -191,13 +192,7 @@ this function onto `change-major-mode-hook'." ;; Only do hard work if the mode has specified stuff in ;; `font-lock-defaults'. - (when (or font-lock-defaults - (if (boundp 'font-lock-keywords) font-lock-keywords) - (and mode - (boundp 'font-lock-set-defaults) - font-lock-set-defaults - font-lock-major-mode - (not (eq font-lock-major-mode major-mode)))) + (when (font-lock-specified-p mode) (font-lock-mode-internal mode))) (defun turn-on-font-lock () @@ -210,7 +205,7 @@ this function onto `change-major-mode-hook'." ;; A few people have hassled in the past for a way to make it easier to turn on ;; Font Lock mode, without the user needing to know for which modes s/he has to ;; turn it on, perhaps the same way hilit19.el/hl319.el does. I've always -;; balked at that way, as I see it as just re-moulding the same problem in +;; balked at that way, as I see it as just re-molding the same problem in ;; another form. That is; some person would still have to keep track of which ;; modes (which may not even be distributed with Emacs) support Font Lock mode. ;; The list would always be out of date. And that person might have to be me.