[P] index-category — The Texinfo index to use
<xsl:param name="index-category" select="'cp'" />
The Texinfo index for indexterm and index is specified using the role attribute. If the above elements do
not have a role, then the
default specified by this parameter is used.
The predefined indices are:
c,
cpConcept index
f,
fnFunction index
v,
vrVariable index
k,
kyKeystroke index
p,
pgProgram index
d,
tpData type index
User-defined indices are not yet supported.