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, 2 insertions, 2 deletions

diff --git a/src/utf8.c b/src/utf8.c
index f840600..ce47faf 100644
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -41,7 +41,7 @@ decode(UTF8_State *state, uint32_t *codep, uint8_t byte)
 }
 
 str_info
-utf8_get_info(str *s, UNUM n)
+utf8_get_info(const str * const restrict s, UNUM n)
 {
   UTF8_State state = UTF8_STATE_ACCEPT;
   uint32_t code = 0;
@@ -85,7 +85,7 @@ new_utf8(char *string, UNUM size)
 }
   
 /* result should be long enough to hold the data */
-unsigned char
+BOOL
 encode(NUM code_point, str *result)
 {
   /* calculate the number of bits of CODE_POINT */