(font-lock-compile-keywords): New arg `regexp'.
If set and if applicable, add a regexp to highlight defun-like text inside comments and strings. (font-lock-fontify-keywords-region): Pass that new arg. (font-lock-set-defaults): Move the code to set `font-lock-keywords' to the end and pass that new arg. (c-font-lock-keywords-2): Fix regex for labels. (font-lock-match-c++-style-declaration-item-and-skip-to-next): Make it work when LIMIT is several lines further. (c-font-lock-keywords-3, c++-font-lock-keywords-3) (objc-font-lock-keywords-3, java-font-lock-keywords-3): Use backquote and make the regexes for `int a, b, c;' work on multiple lines.
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