Add support for ABNF

Augmented Backus–Naur form ([ABNF][]) is a metalanguage used to specify
language grammars.

[ABNF]: https://en.wikipedia.org/wiki/Augmented_Backus–Naur_form
This commit is contained in:
René Schwaiger
2016-10-31 07:07:57 +01:00
parent 96a23ce388
commit 6a1423d28f
6 changed files with 409 additions and 0 deletions