fixed NAME grammar rule

[toc] / Toc.g4

diff --git a/Toc.g4 b/Toc.g4
index a5d5dd83f7d4d94f7cf98438e5cae71fd05f3b43..575f7daeb018bd751269b6a5f0d1e8db94a4f8bd 100644 (file)
--- a/Toc.g4
+++ b/Toc.g4
@@ -106,7 +106,7 @@ fragment Char: ~["\\\r\n]
              | '\\\r\n'\r
              ;\r
 \r
-NAME: ([a-z] | [A-Z] | [0-9])+;\r
+NAME: ([a-z] | [A-Z] | '_') ([a-z] | [A-Z] | [0-9] | '_')*;\r
 WS: [ \t\r\n]+ -> skip;\r
 NEWLINE: [\r\n]+;\r
 COMMENT: '//' .*? '\n' -> skip;\r