Tagname Container Attributes
<accessed> no type, cheat, factor, lang, file, prec, add, since, capitalize, lower, upper
<apre> yes href, prestates
<clientname> no full
<comment> yes none
<date> no day, hour, minute, second and the date related attributes
<define> yes name
<doc> yes pre
<else> yes none
<header> no name, value
<if> yes name, supports, prestate, defined, referer, date, host, user, file, wwwfile, before, after, inclusive, not, and, or
<insert> yes file, nocache, file, name
<modified> no by and the date related attributes
<random> yes separator
<referer> no none
<return> no code
<right> yes none
<signature> no name, realname, email, link, nolink
<source> yes none
<user> no name, realname, email, link, nolink
date related attributes type, lang, part, time, date, capitalize, lower, upper