* pf_html_check(\%writemakefileargs)

  input:        none
  returns:      true/false

If any of the vars

        HTMLLIBPODS
        HTMLSCRIPTPODS
        INSTALLHTMLSITELIBDIR
        INST_HTMLLIBDIR

appear in the WriteMakefile hash, MakeMaker is notified not to warn about a 'non-makefile' variable.

Certain interal arrays are set so that the functions below work properly.

* print the results for pf_html_check

This is a debug function

* $list_text = pf_handy_list(\%writemakefileargs);

Returns a text string containing the Makefile text for

  HTMLLIBPODS
  HTMLSCRIPTPODS

* $inherited = pf_psias($inherited);

Insert the HTML install stuff into pure_site_install

  psias === Pure_Site_Install_After_Script

* pf_htmlifypods(\%makefile_hash,$Config)

Defines targets and routines to translate the pods into HTML manpages and put them into the INST_HTMLLIBDIR and INST_HTMLSCRIPTDIR directories.

  input:        WriteMakefile hash,
                $Config from 'use Config'

  returns:      text for MY::xxx subroutine