ensure that xrefstyle attributes don't try to generate
a page number reference for HTML output. This parameter
does not show up in the HTML doc because it is not
to be changed.
<!ENTITY eclipse.plugin.name SYSTEM "../params/eclipse.plugin.name.xml">
<!ENTITY eclipse.plugin.id SYSTEM "../params/eclipse.plugin.id.xml">
<!ENTITY eclipse.plugin.provider SYSTEM "../params/eclipse.plugin.provider.xml">
+<!ENTITY insert.xref.page.number SYSTEM "../params/insert.xref.page.number.xml">