From cb23ab037211bd68c9cc84510d61c1ecb3d7e51d Mon Sep 17 00:00:00 2001
From: Geoff McLane <ubuntu@geoffair.info>
Date: Thu, 26 Apr 2018 18:57:24 +0200
Subject: [PATCH] Is #726 #185 - HTML5 is case sensitive for anchors.

modified:   src/attrs.c
---
 src/attrs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/attrs.c b/src/attrs.c
index f3a81b6..0fc4382 100644
--- a/src/attrs.c
+++ b/src/attrs.c
@@ -997,13 +997,16 @@ void TY_(RemoveAnchorByNode)( TidyDocImpl* doc, ctmbstr name, Node *node )
     FreeAnchor( doc, delme );
 }
 
-/* initialize new anchor */
+/* initialize new anchor 
+   Is. #726 & #185 - HTML5 is case-sensitive
+*/
 static Anchor* NewAnchor( TidyDocImpl* doc, ctmbstr name, Node* node )
 {
     Anchor *a = (Anchor*) TidyDocAlloc( doc, sizeof(Anchor) );
 
     a->name = TY_(tmbstrdup)( doc->allocator, name );
-    a->name = TY_(tmbstrtolower)(a->name);
+    if (!TY_(IsHTML5Mode)(doc)) /* Is. #726 - if NOT HTML5, to lowercase */
+        a->name = TY_(tmbstrtolower)(a->name);
     a->node = node;
     a->next = NULL;