Fix broken print of semicolon after ctrl char.

* lib.c (out_str_char): If semi-flag is true, we must
issue a semicolon not only when the next character is
a hex digit, but also when it is a semicolon, so that
"\x1F;;" isn't rendered as "\x1F;" where the semicolon
character has disappeared.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib.c b/lib.c
index 9fb50a10..c0c8b5de 100644
--- a/lib.c
+++ b/lib.c
@@ -8266,7 +8266,7 @@ static val simple_qref_args_p(val args, val pos)
 
 void out_str_char(wchar_t ch, val out, int *semi_flag)
 {
-  if (*semi_flag && iswxdigit(ch))
+  if (*semi_flag && (iswxdigit(ch) || ch == ';'))
     put_char(chr(';'), out);
 
   *semi_flag = 0;