2.2.43 [HTML] Section 17.10, Adding structure to forms: the FIELDSET and LEGEND elements

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V0115:

The specification states:

 {FIELDSET/LEGEND} Start tag: required, End tag: required

Quirks Mode, IE7 Mode, and IE8 Mode (All Versions)

An empty FIELDSET with a border is rendered to indicate the presence of a FIELDSET element when the start tag is absent but the end tag is present.

V0116:

The specification states:

 LEGEND Attribute definitions
  
 align = top|bottom|left|right [CI] (case-insensitive)
  
 Deprecated. This attribute specifies the position of the legend with respect to the 
 fieldset. Possible values: 
  
 top: The legend is at the top of the fieldset. This is the default value. 
 bottom: The legend is at the bottom of the fieldset. 
 left: The legend is at the left side of the fieldset. 
 right: The legend is at the right side of the fieldset.

All Document Modes (All Versions)

The align attribute of the FIELDSET element does not support a value of bottom.

Quirks Mode, IE7 Mode, and IE9 Mode (All Versions)

A value of center for the align attribute of the FIELDSET element is also supported.