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-rw-r--r--parse.y6
1 files changed, 6 insertions, 0 deletions
diff --git a/parse.y b/parse.y
index 9978fb15d11..4efbd8c6d4f 100644
--- a/parse.y
+++ b/parse.y
@@ -8547,11 +8547,17 @@ parse_percent(struct parser_params *p, const int space_seen, const enum lex_stat
quotation:
if (c == -1 || !ISALNUM(c)) {
term = c;
+ if (!ISASCII(c)) goto unknown;
c = 'Q';
}
else {
term = nextc(p);
if (rb_enc_isalnum(term, p->enc) || !parser_isascii(p)) {
+ unknown:
+ pushback(p, term);
+ c = parser_precise_mbclen(p, p->lex.pcur);
+ if (c < 0) return 0;
+ p->lex.pcur += c;
yyerror0("unknown type of %string");
return 0;
}