="ph filepath">xsl/dita2xhtml.xsl</span> file. The shell
        begins by importing common rules that are applicable to all general topics:
          <span class="ph filepath">xslhtml/dita2htmlImpl.xsl</span>. After that, additional XSLT overrides are imported for
        specializations that require modified processing. For example, an override for reference topics is imported in
        order to add default headers to property tables. Additional modules are imported for tasks, for the highlighting
      