Remove inaccurate comment in regex.c

* src/regex.c (regex_compile): Remove comment indicating that wctype of
some character classes may be negative.  All wctypes are in fact
non-negative.

diff --git a/src/regex.c b/src/regex.c
index c191f2462ad69604b6050504d9f674267993d3be..c808398cda66ece9fbe228fd4334fd092361cc9e 100644 (file)
--- a/src/regex.c
+++ b/src/regex.c
@@ -2879,8 +2879,7 @@ regex_compile (const_re_char *pattern, size_t size,
                    /* Most character classes in a multibyte match just set
                       a flag.  Exceptions are is_blank, is_digit, is_cntrl, and
                       is_xdigit, since they can only match ASCII characters.
-                      We don't need to handle them for multibyte.  They are
-                      distinguished by a negative wctype.  */
+                      We don't need to handle them for multibyte.  */
 
                    /* Setup the gl_state object to its buffer-defined value.
                       This hardcodes the buffer-global syntax-table for ASCII