Pluggable grammars about guacamole HOT 2 OPEN

05:44 | jdurand_ | Re https://colabti.org/irclogger/irclogger_log/marpa?date=2020-06-15#l6
05:45 | jdurand_ | as stated by Jeffrey, I it just a matter of compiling a grammar using variables
05:45 | jdurand_ | https://github.com/jddurand/MarpaX-Languages-M4/blob/master/lib/MarpaX/Languages/M4/Impl/Parser.pm does that for example
05:47 | jdurand_ | when https://github.com/jddurand/perl-MarpaX-ESLIF-URI  is playing with grammar subclass, as it if was a object (the later is  using MarpaX::ESLIF and not Marpa::R2 directly but the principles are  the same)