diff options
Diffstat (limited to 'gramlib/plexing.mli')
| -rw-r--r-- | gramlib/plexing.mli | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gramlib/plexing.mli b/gramlib/plexing.mli index f6e4d96b80..26443df026 100644 --- a/gramlib/plexing.mli +++ b/gramlib/plexing.mli @@ -8,13 +8,13 @@ grammars (see module [Grammar]). It also provides some useful functions to create lexers. *) -type pattern = string * string +type pattern = string * string option (* Type for values used by the generated code of the EXTEND statement to represent terminals in entry rules. - The first string is the constructor name (must start with an uppercase character). When it is empty, the second string is supposed to be a keyword. -- The second string is the constructor parameter. Empty if it +- The second component is the constructor parameter. None if it has no parameter (corresponding to the 'wildcard' pattern). - The way tokens patterns are interpreted to parse tokens is done by the lexer, function [tok_match] below. *) |