From 6d226ca75d0565d64e01567a01eb627ecc694b45 Mon Sep 17 00:00:00 2001
From: ha shao <mozbugbox@yahoo.com.au>
Date: Fri, 28 Jul 2017 18:10:03 +0800
Subject: Soupparser: Fix bug with double hyphen (--) in comment element

---
 src/lxml/html/soupparser.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/lxml/html/soupparser.py')

diff --git a/src/lxml/html/soupparser.py b/src/lxml/html/soupparser.py
index 202d0373..11fd2754 100644
--- a/src/lxml/html/soupparser.py
+++ b/src/lxml/html/soupparser.py
@@ -255,6 +255,8 @@ def _init_node_converters(makeelement):
 
     @converter(Comment)
     def convert_comment(bs_node, parent):
+        if "--" in bs_node or bs_node.endswith("-"):
+            bs_node = bs_node.replace("-", "&#45;")
         res = etree.Comment(bs_node)
         if parent is not None:
             parent.append(res)
-- 
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