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Save match data in markdown-syntax-propertize-extend-region #105

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merged 1 commit into from
Feb 25, 2016
+14 −13
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Save match data in markdown-syntax-propertize-extend-region #105

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27 changes: 14 additions & 13 deletions markdown-mode.el
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Original file line number Diff line number Diff line change
Expand Up @@ -1455,19 +1455,20 @@ This helps improve syntax analysis for block constructs.
Returns a cons (NEW-START . NEW-END) or nil if no adjustment should be made.
Function is called repeatedly until it returns nil. For details, see
`syntax-propertize-extend-region-functions'."
(save-excursion
(let* ((new-start (progn (goto-char start)
(if (re-search-backward "\n\n" nil t)
(match-end 0) (point-min))))
(new-end (progn (goto-char end)
(if (re-search-forward "\n\n" nil t)
(match-beginning 0) (point-max))))
(code-match (markdown-code-block-at-pos new-start))
(new-start (or (and code-match (cl-first code-match)) new-start))
(code-match (markdown-code-block-at-pos end))
(new-end (or (and code-match (cl-second code-match)) new-end)))
(unless (and (eq new-start start) (eq new-end end))
(cons new-start new-end)))))
(save-match-data
(save-excursion
(let* ((new-start (progn (goto-char start)
(if (re-search-backward "\n\n" nil t)
(match-end 0) (point-min))))
(new-end (progn (goto-char end)
(if (re-search-forward "\n\n" nil t)
(match-beginning 0) (point-max))))
(code-match (markdown-code-block-at-pos new-start))
(new-start (or (and code-match (cl-first code-match)) new-start))
(code-match (markdown-code-block-at-pos end))
(new-end (or (and code-match (cl-second code-match)) new-end)))
(unless (and (eq new-start start) (eq new-end end))
(cons new-start new-end))))))

(defun markdown-font-lock-extend-region-function (start end _)
"Used in `jit-lock-after-change-extend-region-functions'. Delegates to
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