Add declaration of word_boundary_p.

diff --git a/src/category.h b/src/category.h
index f1c40f9..5129d16 100644 (file)
--- a/src/category.h
+++ b/src/category.h
@@ -133,3 +133,5 @@ extern Lisp_Object _temp_category_set;
 #define WORD_BOUNDARY_P(c1, c2)                                        \
   (!(SINGLE_BYTE_CHAR_P (c1) && SINGLE_BYTE_CHAR_P (c2))       \
    && word_boundary_p (c1, c2))
+
+extern int word_boundary_p P_ ((int, int));