bug fix for --join option handling
version 6.21
Discard the use of @- and @+ for great performance improvement.
make -i effective for --re and --fe pattern.
initial commit of aozora.pm
add --join-block option for -Mbm
some updates for -Maozora
fix bm.pm
--print/--call accepts &function()
fix typo in -Mtel
add --jptxt/injptxt --egtxt/inegtxt options.
Merge branch 'regioncache'
v6.22