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-rw-r--r--parser/html/nsHtml5TreeOperation.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/parser/html/nsHtml5TreeOperation.cpp b/parser/html/nsHtml5TreeOperation.cpp
index a6e0298420..eb1c6657cf 100644
--- a/parser/html/nsHtml5TreeOperation.cpp
+++ b/parser/html/nsHtml5TreeOperation.cpp
@@ -393,7 +393,8 @@ nsresult nsHtml5TreeOperation::AddAttributes(nsIContent* aNode,
--i;
nsAtom* localName = aAttributes->getLocalNameNoBoundsCheck(i);
int32_t nsuri = aAttributes->getURINoBoundsCheck(i);
- if (!node->HasAttr(nsuri, localName)) {
+ if (!node->HasAttr(nsuri, localName) &&
+ !(nsuri == kNameSpaceID_None && localName == nsGkAtoms::nonce)) {
nsString value; // Not Auto, because using it to hold nsStringBuffer*
aAttributes->getValueNoBoundsCheck(i).ToString(value);
node->SetAttr(nsuri, localName, aAttributes->getPrefixNoBoundsCheck(i),