diff options
Diffstat (limited to 'ext/readline')
| -rw-r--r-- | ext/readline/readline.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c index 502e73e5c8..fe5c7234e5 100644 --- a/ext/readline/readline.c +++ b/ext/readline/readline.c @@ -242,7 +242,7 @@ insert_ignore_escape(VALUE self, VALUE prompt) rb_str_cat(last_prompt, s0, s - s0 - 1); s0 = s - 1; while (++s < e && *s) { - if (ISALPHA(*s)) { + if (ISALPHA(*(unsigned char *)s)) { if (!ignoring) { ignoring = 1; rb_str_cat(last_prompt, ignore_code+0, 1); |