Identifies a script section that is executed only if a variable does not have any of the values tested by a sibling pc:case element.
pc:default is only legal as a child element of pc:switch:
Syntax
<pc:switch select="variable-reference">
[ <pc:case value="xpath"> content </pc:case>
... ]
<pc:default> content </pc:default>
</pc:switch>
See
pc:switch