rely on a special convention: an open-parenthesis or open-brace in the
leftmost column always defines the @w{beginning} of a defun, and is
thus always outside any string or comment. (@xref{Left Margin
-Convention}.) If you don't follow this convention, Font Lock mode can
+Paren}.) If you don't follow this convention, Font Lock mode can
misfontify the text that follows an open-parenthesis or open-brace in
the leftmost column that is inside a string or comment.