From e7bcc0b283d9406a1140357c157c14c02bf9624b Mon Sep 17 00:00:00 2001
From: Jeremy Sanders <jeremy@jeremysanders.net>
Date: Mon, 5 Sep 2022 22:04:57 +0200
Subject: [PATCH] Fix encoding of r'\x' in strings

Fixes github bug #404
---
 toml/encoder.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/toml/encoder.py b/toml/encoder.py
index bf17a72..6fe32c4 100644
--- a/toml/encoder.py
+++ b/toml/encoder.py
@@ -95,7 +95,8 @@ def _dump_str(v):
     if singlequote:
         v = v.replace("\\'", "'")
         v = v.replace('"', '\\"')
-    v = v.split("\\x")
+    # split on \x, but not \\x
+    v = re.split(r"(?<!\\)\\x", v)
     while len(v) > 1:
         i = -1
         if not v[0]: