_filter_url_escape_comments($match, $escape = NULL)
Escapes the contents of HTML comments.
Callback for preg_replace_callback() within _filter_url().
Parameters
array $match: An array containing matches to replace from preg_replace_callback(), whereas $match[1] is expected to contain the content to be filtered.
bool|null $escape: (optional) A Boolean indicating whether to escape (TRUE) or unescape comments (FALSE). Defaults to NULL, indicating neither. If TRUE, statically cached $comments are