Add the framework for character classes.

Now we have the potential to recognize character classes.  But the
most important task for us now is to experiment with ((B)RN)GLR
algorithms, so we leave the character classes at the present state for
a moment.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/str_partial.h b/src/str_partial.h
index 9d4fbd6..2373555 100644
--- a/src/str_partial.h
+++ b/src/str_partial.h
@@ -3,7 +3,7 @@
 /* This is meant to be extended, and only has minimal necessary
    fields. */
 
-typedef str_info (*info_getter) (str *, UNUM);
+typedef str_info (*info_getter) (const str * const restrict , UNUM);
 
 struct str_s {
   UNUM size;                    /* the size in bytes, not in chars */