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-rw-r--r--lisp/textmodes/sgml-mode.el3
1 files changed, 3 insertions, 0 deletions
diff --git a/lisp/textmodes/sgml-mode.el b/lisp/textmodes/sgml-mode.el
index eb6ebf52807..f6bdfc63844 100644
--- a/lisp/textmodes/sgml-mode.el
+++ b/lisp/textmodes/sgml-mode.el
@@ -2232,6 +2232,9 @@ buffer's tick counter (as produced by `buffer-modified-tick'),
and the CDR is the list of class names found in the buffer.")
(make-variable-buffer-local 'html--buffer-ids-cache)
+(declare-function libxml-parse-html-region "xml.c"
+ (start end &optional base-url discard-comments))
+
(defun html-current-buffer-classes ()
"Return a list of class names used in the current buffer.
The result is cached in `html--buffer-classes-cache'."