1 files changed, 12 insertions, 0 deletions
diff --git a/pretty.c b/pretty.c
index e5328dab5b..3b2ecdd20e 100644
--- a/pretty.c
+++ b/pretty.c
@@ -86,6 +86,18 @@ int non_ascii(int ch)
 	return !isascii(ch) || ch == '\033';
 }
 
+int has_non_ascii(const char *s)
+{
+	int ch;
+	if (!s)
+		return 0;
+	while ((ch = *s++) != '\0') {
+		if (non_ascii(ch))
+			return 1;
+	}
+	return 0;
+}
+
 static int is_rfc2047_special(char ch)
 {
 	return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_'));