(defun sgml-html-meta-auto-coding-function (size)
"If the buffer has an HTML meta tag, use it to determine encoding.
This function is intended to be added to `auto-coding-functions'."
- (setq size (min (+ (point) size)
- (save-excursion
- ;; Limit the search by the end of the HTML header.
- (or (search-forward "</head>" size t)
- ;; In case of no header, search only 10 lines.
- (forward-line 10))
- (point))))
- ;; Make sure that the buffer really contains an HTML document, by
- ;; checking that it starts with a doctype or a <HTML> start tag
- ;; (allowing for whitespace at bob). Note: 'DOCTYPE NETSCAPE' is
- ;; useful for Mozilla bookmark files.
- (when (and (re-search-forward "\\`[[:space:]\n]*\\(<!doctype[[:space:]\n]+\\(html\\|netscape\\)\\|<html\\)" size t)
- (re-search-forward "<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']text/\\sw+;\\s-*charset=\\(.+?\\)[\"']" size t))
- (let* ((match (match-string 1))
- (sym (intern (downcase match))))
- (if (coding-system-p sym)
- sym
- (message "Warning: unknown coding system \"%s\"" match)
- nil))))
+ (let ((case-fold-search t))
+ (setq size (min (+ (point) size)
+ (save-excursion
+ ;; Limit the search by the end of the HTML header.
+ (or (search-forward "</head>" size t)
+ ;; In case of no header, search only 10 lines.
+ (forward-line 10))
+ (point))))
+ ;; Make sure that the buffer really contains an HTML document, by
+ ;; checking that it starts with a doctype or a <HTML> start tag
+ ;; (allowing for whitespace at bob). Note: 'DOCTYPE NETSCAPE' is
+ ;; useful for Mozilla bookmark files.
+ (when (and (re-search-forward "\\`[[:space:]\n]*\\(<!doctype[[:space:]\n]+\\(html\\|netscape\\)\\|<html\\)" size t)
+ (re-search-forward "<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']text/\\sw+;\\s-*charset=\\(.+?\\)[\"']" size t))
+ (let* ((match (match-string 1))
+ (sym (intern (downcase match))))
+ (if (coding-system-p sym)
+ sym
+ (message "Warning: unknown coding system \"%s\"" match)
+ nil)))))
;;;
(provide 'mule)
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