* 1.3           1 Apr 2002

  Don't use Symbol::gensym() to create the magic tags and
  values that control quoting etc; it was confusing
  mod_perl.  Use a magic class instead.
	
* 1.2           23 Jun 2001

  Return the value of the last call to the callback function from
  hl().
	
* 1.1           21 Dec 2000

  Don't use shift to parse function args.  Add hl_preserve(...).

* 1.0.1         13 Dec 2000

  "textarea" added to %hl_pre (elements whose contents mustn't have
  their whitespace munged).

* 1.0           13 Dec 2000

  Initial public release.