entity ' ?

Docs, The ' entity in the wrappers appendix causes problems with Livedocs. (e.g. http://docs.php.net/wrappers) This is because html_entity_decode(...) doesn't understand ' According to the w3c, ' is valid (') ("MAY be used") (http://www.w3.org/People/mimasa/test/xhtml/entities/entities.html, http://www.w3.org/TR/2004/REC-xml11-20040204/REC-xml11-20040204-review.html) But the ISO (8859), as far as I can tell (don't have an official copy), doesn't name character #39 (') (http://www.htmlhelp.com/reference/charset/iso032-063.html). Note: browsers generally support ' So, do we: 1) "fix" html_entity_decode in php-src 2) "hack" livedocs to put ' in the entities file? or 3) s/'/'/g ? I should be able to do any of these myself (up to patch, anyway -- not commit the first 2), but I don't know what's correct. S