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Diffstat (limited to 'src/pkg/ebnf/ebnf.go')
| -rw-r--r-- | src/pkg/ebnf/ebnf.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pkg/ebnf/ebnf.go b/src/pkg/ebnf/ebnf.go index 7918c4593..964e1c1b0 100644 --- a/src/pkg/ebnf/ebnf.go +++ b/src/pkg/ebnf/ebnf.go @@ -5,7 +5,7 @@ // Package ebnf is a library for EBNF grammars. The input is text ([]byte) // satisfying the following grammar (represented itself in EBNF): // -// Production = name "=" Expression "." . +// Production = name "=" [ Expression ] "." . // Expression = Alternative { "|" Alternative } . // Alternative = Term { Term } . // Term = name | token [ "..." token ] | Group | Option | Repetition . |