Enhancement Request: handling empty named templates

[ghost]

This is maybe a bit weird but bear with me. It involves an extension of your unused template remover.

If a named template is empty (i.e. contains no node children) then remove the named template and all calls to it.

Scenario

• A template 'caller' contains the instruction:

  <xsl:call-template name="callee" >
  <!-- optional xsl:with-param etc -->
  </xsl:call-template>

• AND the template named 'callee' is empty:

  <xsl:template name="callee" />

• Then delete the xsl:call-template element node.
• Finally (so that all potential calls have been processed) delete the named template.

  Why would anyone want this? Why write calls to nothing templates?

I have a template override mechanism so at build time I do not know if a named template is 'empty' or not. It would be really nice to have them removed during compression to save a few bytes of network transfer.