OPTGROUP

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1. Allowed Content

option  

2. Attributes

AttributeValue(s) Default Value
CLASS CDATA #IMPLIED
DIR ltr   |  rtl #IMPLIED
DISABLED disabled #IMPLIED
ID ID #IMPLIED
LABEL CDATA #REQUIRED
LANG NAME #IMPLIED
ONCLICK CDATA #IMPLIED
ONDBLCLICK 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
STYLE CDATA #IMPLIED
TITLE CDATA #IMPLIED

3. Content Rule

( option ) +

4. Parent Elements

select  

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