[1] Bug 915 – implement inheritance of alignment attributes from columns (align, valign, char, charoff, (lang, dir)?) ( 版) <https://bugzilla.mozilla.org/show_bug.cgi?id=915>
[2] Hixie's Natural Log: The mystery of why only four properties apply to table columns ( 版) <http://ln.hixie.ch/?start=1070385285&count=1>