version 0.001; 2017-07-26

  * update to accommodate PERL_OP_PARENT builds of Perl 5.21.11 or later
    (which is the default from Perl 5.25.1)

  * no longer include a Makefile.PL in the distribution

  * in documentation, use four-column indentation for all verbatim
    material

  * in META.{yml,json}, point to public bug tracker

  * consistently use THX_ prefix on internal function names

  * convert .cvsignore to .gitignore

version 0.000; 2011-05-29

  * initial released version