From b554dc12efc513dcbff664c935d255af87a95fde Mon Sep 17 00:00:00 2001
From: Steven Le <stevenle@google.com>
Date: Fri, 24 Feb 2012 16:23:32 -0800
Subject: [PATCH] Empty <progress> no longer stripped.

---
 src/parser.c | 4 +++-
 src/tags.h   | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/parser.c b/src/parser.c
index cef6d27..aad2d14 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -287,7 +287,9 @@ static Bool CanPrune( TidyDocImpl* doc, Node *element )
     /* fix for ISSUE #7 https://github.com/w3c/tidy-html5/issues/7 */
     if (nodeIsCANVAS(element))
         return no;
-
+    
+    if (nodeIsPROGRESS(element))
+        return no;
 
     if ( attrGetID(element) || attrGetNAME(element) )
         return no;
diff --git a/src/tags.h b/src/tags.h
index c45072f..f2b9a50 100644
--- a/src/tags.h
+++ b/src/tags.h
@@ -231,5 +231,6 @@ uint TY_(nodeHeaderLevel)( Node* node );  /* 1, 2, ..., 6 */
 #define nodeIsMENU( node )       TagIsId( node, TidyTag_MENU )
 #define nodeIsBUTTON( node )     TagIsId( node, TidyTag_BUTTON )
 #define nodeIsCANVAS( node )     TagIsId( node, TidyTag_CANVAS )
+#define nodeIsPROGRESS( node )     TagIsId( node, TidyTag_CANVAS )
 
 #endif /* __TAGS_H__ */