optgroup option
Attribute Value(s) Default Value CLASS CDATA #IMPLIED DIR ltr | rtl #IMPLIED DISABLED disabled #IMPLIED ID ID #IMPLIED LANG NAME #IMPLIED MULTIPLE multiple #IMPLIED NAME CDATA #IMPLIED ONBLUR CDATA #IMPLIED ONCHANGE CDATA #IMPLIED ONCLICK CDATA #IMPLIED ONDBLCLICK CDATA #IMPLIED ONFOCUS CDATA #IMPLIED ONKEYDOWN CDATA #IMPLIED ONKEYPRESS CDATA #IMPLIED ONKEYUP CDATA #IMPLIED ONMOUSEDOWN CDATA #IMPLIED ONMOUSEMOVE CDATA #IMPLIED ONMOUSEOUT CDATA #IMPLIED ONMOUSEOVER CDATA #IMPLIED ONMOUSEUP CDATA #IMPLIED SIZE NUMBER #IMPLIED STYLE CDATA #IMPLIED TABINDEX NUMBER #IMPLIED TITLE CDATA #IMPLIED
( optgroup | option ) +
a abbr acronym address applet b bdo big blockquote body caption center cite code dd del dfn div dt em fieldset font form h1 h2 h3 h4 h5 h6 i iframe ins kbd label legend li noframes noscript object p pre q s samp small span strike strong sub sup td th tt u var