1.006 - Updated docs; Added build dependencies; test tweaks.
1.005 - Portabilty fixes; odfedit mail-merge syntax changes.
1.003 - Export & document $token_re and parse_token()
1.002 - Portability tweak for Windows
1.001 - Provide MM_SUBST constant (instead of using Hr_SUBST)
        Add :spanr (span to the right) support. Rename :span to :spand
1.000 - API changes:
         ODF::MailMerge::Engine->new positional args eliminated; now use
            proto_elt => $table   # specify the object directly
            context => $context, proto_tag => "tagstring"  # search for it
         Modifier :die ("Delete If Empty") replaces :delempty
0.003 - Corrected :rep_first/middle/last to apply only when $N > 1
        (i.e. only if the row is being replicated).  Preened docs.
0.002 - Improved example; added function to get path to example dir
0.001 - Initial release