Provides the caption displayed on the button.
xsf:xdTitle
The caption attribute is an optional attribute of the button element.
The following is an example of the caption attribute as it is used in the button element:
<xsf:menuArea name="msoInsertMenu">
<xsf:menu caption="&Section">
<xsf:button action="xCollection::insert" xmlToEdit="CD_10"
caption="CD" showIf="always"></xsf:button>
<xsf:button action="xCollection::insert" xmlToEdit="Track_14"
caption="Track" showIf="always"></xsf:button>
<xsf:button action="xOptional::insert" xmlToEdit="Label_16"
caption="Label"></xsf:button>
</xsf:menu>
</xsf:menuArea>