Issue #15096: Drop support for the ur string prefix
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 36ca079..93a4a5c 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -1412,7 +1412,7 @@
/* Identifier (most frequent token!) */
nonascii = 0;
if (is_potential_identifier_start(c)) {
- /* Process b"", r"", u"", br"", rb"" and ur"" */
+ /* Process b"", r"", u"", br"" and rb"" */
int saw_b = 0, saw_r = 0, saw_u = 0;
while (1) {
if (!(saw_b || saw_u) && (c == 'b' || c == 'B'))
@@ -1421,7 +1421,8 @@
want to support it in arbitrary order like byte literals. */
else if (!(saw_b || saw_u || saw_r) && (c == 'u' || c == 'U'))
saw_u = 1;
- else if (!saw_r && (c == 'r' || c == 'R'))
+ /* ur"" and ru"" are not supported */
+ else if (!(saw_r || saw_u) && (c == 'r' || c == 'R'))
saw_r = 1;
else
break;