$(XSLROOT)/xhtml-content.xsl
$(XSLTP) --param path_to_top "'..'" -o $@ $(XSLROOT)/xhtml-content.xsl $<
-people-list.html: $(XMLROOT)/people/index.xml $(XSLROOT)/person-entry.xsl \
+people-list.html: $(XMLROOT)/people/index.xml \
$(XSLROOT)/people-list.xsl
$(XSLTP) -o $@ $(XSLROOT)/people-list.xsl $<