Using the XSL stylesheets, 1.74.3ns, with saxon, I found that if you have an indexterm inside the refmeta for a reference page, the generated index entry does not contain a page number. You get an entry in the index, but that entry has no page number.
The template with match="refmeta" in refentry.xsl is empty. The index page references show up if you change the template to
<xsl:template match="refmeta">
<xsl:apply-templates select=".//indexterm"/>
</xsl:template>
A fix for this issue has been added to the current codebase.
Please test the fix with the latest snapshot from:
http://docbook.sourceforge.net/snapshots/
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