commit 83c53863507492a17cf4080a743b1950959bb46d
from: Sergey Bronnikov <estetus@gmail.com>
date: Tue Dec 22 09:56:13 2020 UTC

Add mdoc grammar (incomplete)

source: https://man.openbsd.org/mdoc.7

commit - d0eea8c498cfc710b95ac123f0a010da2e511503
commit + 83c53863507492a17cf4080a743b1950959bb46d
blob - e271fbb825a8b7e3d34f6fc2cf6e6c7039703ad1
blob + 058f177ca337d42ca5a27ff0374f9d56ca096af7
--- README.md
+++ README.md
@@ -7,6 +7,7 @@ Grammars suitable for [lark](https://github.com/lark-p
 - [bc](https://man.openbsd.org/bc), an arbitrary precision calculator language (```bc.lark```)
 - [The GEDCOM Standard](http://user.it.uu.se/~andersa/gedcom/) (```gedcom.lark```)
 - [eqn](https://man.openbsd.org/eqn), language reference for mandoc (```eqn.lark```)
+- [mdoc](https://man.openbsd.org/mdoc.7), semantic markup language for formatting manual pages (```mdoc.lark```)
 - MIME [Media Types](https://www.iana.org/assignments/media-types/media-types.xhtml) (```mime.lark```)
 - Lua 5.1 language grammar specification (```lua.lark```)
 - [TAP13](https://testanything.org/tap-version-13-specification.html) - The Test Anything Protocol v13 (```tap13.lark```)
blob - /dev/null
blob + bbe637f0c913116c19b14e614f741f4553193106 (mode 644)
--- /dev/null
+++ lark_grammars/grammars/mdoc.lark
@@ -0,0 +1,28 @@
+start           : mdoc
+
+mdoc            : comment+ prologue comment+ name_section comment+
+
+prologue        : ".Dd $Mdocdate$" NEWLINE ".Dt" PROGNAME SECTION NEWLINE ".Os" NEWLINE
+                
+name_section    : ".Sh" PROGNAME NEWLINE ".Nm" PROGNAME NEWLINE ".Nd" TEXTLINE NEWLINE
+
+comment         : ".\"" TEXTLINE NEWLINE
+
+DIGIT           : "0".."9"
+LCASE_LETTER    : "a".."z"
+UCASE_LETTER    : "A".."Z"
+ALPHA           : UCASE_LETTER | LCASE_LETTER
+ALPHANUM        : ALPHA [ ALPHA | DIGIT ]*
+SPACE           : " "
+TAB             : SPACE+
+
+NAME            : ALPHANUM+
+WORD            : ALPHANUM+
+NUMBER          : DIGIT+
+WS              : SPACE | TAB
+STRING          : WORD [ WS WORD+ ]
+
+NEWLINE         : "\n"
+PROGNAME        : NAME
+SECTION         : NAME
+TEXTLINE        : WORD | WORD WS
blob - 3459ddaa16087c6174885770a03ebf4475e8076c
blob + 5278687883a81236eada5f31c335547d046038ff
--- lark_grammars/grammars.py
+++ lark_grammars/grammars.py
@@ -23,6 +23,8 @@ grammar_files = {'bc': _build_path('bc.lark'),
                  'gedcom': _build_path('gedcom.lark'),
                  'eqn': _build_path('eqn.lark'),
                  'lua': _build_path('lua.lark'),
+                 'mdoc': _build_path('mdoc.lark'),
+                 'mime': _build_path('mime.lark'),
                  'palindrome': _build_path('palindrome.lark'),
                  'phone_number': _build_path('phone_number.lark'),
                  'pf': _build_path('pf.lark'),