[PATCH] Old versions of libXML (less than 2.6.27) had a bug that failed in xmlTextConcat when used on Comment nodes.

[Alistair Leslie-Hughes]

---
 dlls/msxml3/comment.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/dlls/msxml3/comment.c b/dlls/msxml3/comment.c
index c4d37f2..8360188 100644
--- a/dlls/msxml3/comment.c
+++ b/dlls/msxml3/comment.c
@@ -597,10 +597,17 @@ static HRESULT WINAPI domcomment_appendData(
     pContent = xmlChar_from_wchar( (WCHAR*)p );
     if(pContent)
     {
+#if LIBXML_VERSION >= 20627  
         if(xmlTextConcat(pDOMNode->node, pContent, SysStringLen(p) ) == 0)
             hr = S_OK;
         else
             hr = E_FAIL;
+#else
+        xmlChar *pNew;
+        pNew = xmlStrcat(xmlNodeGetContent(pDOMNode->node), pContent);
+        xmlNodeSetContent(pDOMNode->node, pNew);
+        hr = S_OK;
+#endif
     }
     else
         hr = E_FAIL;
-- 
1.5.4.1


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