From 5db28b92fbf227dcd17949ba93342fb2cdd2feca Mon Sep 17 00:00:00 2001
From: Alexander Borisov <alexander.borisov@nginx.com>
Date: Wed, 10 Jul 2019 21:54:33 +0300
Subject: [PATCH] Fixed UTF-8 character escaping.

---
 njs/njs_parser_terminal.c | 1 -
 njs/test/njs_unit_test.c  | 6 ++++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/njs/njs_parser_terminal.c b/njs/njs_parser_terminal.c
index 89474d36..85510fef 100644
--- a/njs/njs_parser_terminal.c
+++ b/njs/njs_parser_terminal.c
@@ -1047,7 +1047,6 @@ njs_parser_escape_string_create(njs_vm_t *vm, njs_parser_t *parser,
 
             default:
                 if (c >= 0x80) {
-                    src--;
                     goto utf8_copy;
                 }
 
diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
index c0a4f22a..32bf7c40 100644
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -4537,6 +4537,12 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("'\\u{D800}\\u{'"),
       nxt_string("SyntaxError: Invalid Unicode code point \"\\u{D800}\\u{\" in 1") },
 
+    { nxt_string("'α' !== '\\α'"),
+      nxt_string("false") },
+
+    { nxt_string("'r' !== '\\r'"),
+      nxt_string("true") },
+
     /* Broken UTF-8 literals.*/
 
     { nxt_string("'\\a\x96\xE5\x9C\xE3\x81\xB6'"),
-- 
2.47.3