Commit 700b8e66 authored by Stefan Monnier's avatar Stefan Monnier
Browse files

Revert the accidental commit of unrelated patches in the previous commit.

parent dfee9538
......@@ -350,7 +350,7 @@ Each element in a user-level keywords list should have one of these forms:
(eval . FORM)
where MATCHER can be either the regexp to search for, or the function name to
......@@ -1040,13 +1040,6 @@ The region it returns may start or end in the middle of a line.")
Useful for things like RMAIL and Info where the whole buffer is not
a very meaningful entity to highlight.")
(defvar font-lock-syntax-props-depend-on-themselves nil
"If non-nil, syntax-table changes may influence syntactic keywords.
If the syntax-table properties set by syntactic-keywords themselves depend
on syntax-table properties set on the text before it by syntactic-keywords,
this variable should be set to non-nil, so that whenever syntaxtic-keywords
is applied, the subsequent text is marked for syntactic re-fontification.")
(defvar font-lock-beg) (defvar font-lock-end)
(defvar font-lock-extend-region-functions
......@@ -1131,25 +1124,11 @@ Put first the functions more likely to cause a change and cheaper to compute.")
(setq beg font-lock-beg end font-lock-end))
;; Now do the fontification.
(font-lock-unfontify-region beg end)
(let ((sbeg beg))
((< font-lock-syntactically-fontified sbeg)
;; Ensure the syntax-table prop is properly set on the text
;; before beg.
(setq sbeg (max font-lock-syntactically-fontified (point-min)))
(setq font-lock-syntactically-fontified end))
((and font-lock-syntax-props-depend-on-themselves
(> font-lock-syntactically-fontified end))
;; If the syntax-table properties set by
;; font-lock-syntactic-keywords themselves depend on
;; syntax-table props set in the text above it, then we'll
;; need to update all the syntax-table props below end.
(setq font-lock-syntactically-fontified end)))
(when font-lock-syntactic-keywords
(font-lock-fontify-syntactic-keywords-region sbeg end)))
(unless font-lock-keywords-only
(font-lock-fontify-syntactically-region beg end loudly))
(font-lock-fontify-keywords-region beg end loudly))
(when font-lock-syntactic-keywords
(font-lock-fontify-syntactic-keywords-region beg end))
(unless font-lock-keywords-only
(font-lock-fontify-syntactically-region beg end loudly))
(font-lock-fontify-keywords-region beg end loudly))
;; Clean up.
(set-syntax-table old-syntax-table))))
......@@ -1439,6 +1418,11 @@ LIMIT can be modified by the value of its PRE-MATCH-FORM."
(defun font-lock-fontify-syntactic-keywords-region (start end)
"Fontify according to `font-lock-syntactic-keywords' between START and END.
START should be at the beginning of a line."
;; Ensure the beginning of the file is properly syntactic-fontified.
(when (and font-lock-syntactically-fontified
(< font-lock-syntactically-fontified start))
(setq start (max font-lock-syntactically-fontified (point-min)))
(setq font-lock-syntactically-fontified end))
;; If `font-lock-syntactic-keywords' is a symbol, get the real keywords.
(when (symbolp font-lock-syntactic-keywords)
(setq font-lock-syntactic-keywords (font-lock-eval-keywords
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