out cases where it matters. We don't need to exclude them from
external link text, to allow for e.g. bold text in the link
description.
define( 'URL_PROTOCOLS', 'http|https|ftp|irc|gopher|news|mailto' );
define( 'HTTP_PROTOCOLS', 'http|https' );
# Everything except bracket, space, or control characters
-define( 'EXT_LINK_URL_CLASS', '[^]\\x00-\\x20\\x7F]' );
+define( 'EXT_LINK_URL_CLASS', '[^]<>\\x00-\\x20\\x7F]' );
# Including space
define( 'EXT_LINK_TEXT_CLASS', '[^\]\\x00-\\x1F\\x7F]' );
define( 'EXT_IMAGE_FNAME_CLASS', '[A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]' );