--- a/dom/base/nsDocumentEncoder.cpp
+++ b/dom/base/nsDocumentEncoder.cpp
@@ -1071,18 +1071,17 @@ nsDocumentEncoder::EncodeToStringWithMax
     NS_ENSURE_TRUE(mSerializer, NS_ERROR_NOT_IMPLEMENTED);
   }
 
   nsresult rv = NS_OK;
 
   nsCOMPtr<nsIAtom> charsetAtom;
   
   bool rewriteEncodingDeclaration = !(mSelection || mRange || mNode) && !(mFlags & OutputDontRewriteEncodingDeclaration);
-  mSerializer->Init(mDocument, mFlags, mWrapColumn, mCharset.get(),
-                    mIsCopying, rewriteEncodingDeclaration);
+  mSerializer->Init(mFlags, mWrapColumn, mCharset.get(), mIsCopying, rewriteEncodingDeclaration);
 
   if (mSelection) {
     nsCOMPtr<nsIDOMRange> range;
     int32_t i, count = 0;
 
     rv = mSelection->GetRangeCount(&count);
     NS_ENSURE_SUCCESS(rv, rv);
 

--- a/dom/base/nsHTMLContentSerializer.cpp
+++ b/dom/base/nsHTMLContentSerializer.cpp
@@ -187,17 +187,17 @@ nsHTMLContentSerializer::AppendElementSt
     return NS_OK;
   }
 
   nsIAtom *name = content->Tag();
   int32_t ns = content->GetNameSpaceID();
 
   bool lineBreakBeforeOpen = LineBreakBeforeOpen(ns, name);
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()) {
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw) {
     if (mColPos && lineBreakBeforeOpen) {
       AppendNewLineToString(aStr);
     }
     else {
       MaybeAddNewlineForRootNode(aStr);
     }
     if (!mColPos) {
       AppendIndentation(aStr);
@@ -220,17 +220,17 @@ nsHTMLContentSerializer::AppendElementSt
   
   AppendToString(kLessThan, aStr);
 
   AppendToString(nsDependentAtomString(name), aStr);
 
   MaybeEnterInPreContent(content);
 
   // for block elements, we increase the indentation
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel())
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw)
     IncrIndentation(name);
 
   // Need to keep track of OL and LI elements in order to get ordinal number 
   // for the LI.
   if (mIsCopying && name == nsGkAtoms::ol && ns == kNameSpaceID_XHTML){
     // We are copying and current node is an OL;
     // Store its start attribute value in olState->startVal.
     nsAutoString start;
@@ -275,18 +275,18 @@ nsHTMLContentSerializer::AppendElementSt
   if (ns == kNameSpaceID_XHTML &&
       (name == nsGkAtoms::script ||
        name == nsGkAtoms::style ||
        name == nsGkAtoms::noscript ||
        name == nsGkAtoms::noframes)) {
     ++mDisableEntityEncoding;
   }
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel() &&
-    LineBreakAfterOpen(ns, name)) {
+  if ((mDoFormat || forceFormat) && !mPreLevel &&
+    !mDoRaw && LineBreakAfterOpen(ns, name)) {
     AppendNewLineToString(aStr);
   }
 
   AfterElementStart(content, aOriginalElement, aStr);
 
   return NS_OK;
 }
   
@@ -307,28 +307,28 @@ nsHTMLContentSerializer::AppendElementEn
        name == nsGkAtoms::noscript ||
        name == nsGkAtoms::noframes)) {
     --mDisableEntityEncoding;
   }
 
   bool forceFormat = !(mFlags & nsIDocumentEncoder::OutputIgnoreMozDirty) &&
                      content->HasAttr(kNameSpaceID_None, nsGkAtoms::mozdirty);
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()) {
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw) {
     DecrIndentation(name);
   }
 
   if (name == nsGkAtoms::script) {
     nsCOMPtr<nsIScriptElement> script = do_QueryInterface(aElement);
 
-    if (ShouldMaintainPreLevel() && script && script->IsMalformed()) {
+    if (script && script->IsMalformed()) {
       // We're looking at a malformed script tag. This means that the end tag
       // was missing in the source. Imitate that here by not serializing the end
       // tag.
-      --PreLevel();
+      --mPreLevel;
       return NS_OK;
     }
   }
   else if (mIsCopying && name == nsGkAtoms::ol && ns == kNameSpaceID_XHTML) {
     NS_ASSERTION((!mOLStateStack.IsEmpty()), "Cannot have an empty OL Stack");
     /* Though at this point we must always have an state to be deleted as all 
     the OL opening tags are supposed to push an olState object to the stack*/
     if (!mOLStateStack.IsEmpty()) {
@@ -346,17 +346,17 @@ nsHTMLContentSerializer::AppendElementEn
         IsContainer(parserService->HTMLCaseSensitiveAtomTagToId(name),
                     isContainer);
       if (!isContainer) {
         return NS_OK;
       }
     }
   }
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()) {
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw) {
 
     bool lineBreakBeforeClose = LineBreakBeforeClose(ns, name);
 
     if (mColPos && lineBreakBeforeClose) {
       AppendNewLineToString(aStr);
     }
     if (!mColPos) {
       AppendIndentation(aStr);
@@ -372,18 +372,18 @@ nsHTMLContentSerializer::AppendElementEn
   }
 
   AppendToString(kEndTag, aStr);
   AppendToString(nsDependentAtomString(name), aStr);
   AppendToString(kGreaterThan, aStr);
 
   MaybeLeaveFromPreContent(content);
 
-  if ((mDoFormat || forceFormat)&& !mDoRaw  && !PreLevel()
-      && LineBreakAfterClose(ns, name)) {
+  if ((mDoFormat || forceFormat) && !mPreLevel
+      && !mDoRaw && LineBreakAfterClose(ns, name)) {
     AppendNewLineToString(aStr);
   }
   else {
     MaybeFlagNewlineForRootNode(aElement);
   }
 
   if (name == nsGkAtoms::body && ns == kNameSpaceID_XHTML) {
     --mInBody;

--- a/dom/base/nsIContentSerializer.h
+++ b/dom/base/nsIContentSerializer.h
@@ -14,27 +14,27 @@ class nsAString;
 
 namespace mozilla {
 namespace dom {
 class Element;
 } // namespace dom
 } // namespace mozilla
 
 #define NS_ICONTENTSERIALIZER_IID \
-{ 0x18a66082, 0x793f, 0x47f4, \
-  { 0xa1, 0xf0, 0xf0, 0xe4, 0x22, 0x9e, 0x52, 0x79 } }
+{ 0xb1ee32f2, 0xb8c4, 0x49b9, \
+  { 0x93, 0xdf, 0xb6, 0xfa, 0xb5, 0xd5, 0x46, 0x88 } }
 
 class nsIContentSerializer : public nsISupports {
  public: 
 
   NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICONTENTSERIALIZER_IID)
 
-  NS_IMETHOD Init(nsIDocument* aDoc, uint32_t flags,
-                  uint32_t aWrapColumn, const char* aCharSet,
-                  bool aIsCopying, bool aIsWholeDocument) = 0;
+  NS_IMETHOD Init(uint32_t flags, uint32_t aWrapColumn,
+                  const char* aCharSet, bool aIsCopying,
+                  bool aIsWholeDocument) = 0;
 
   NS_IMETHOD AppendText(nsIContent* aText, int32_t aStartOffset,
                         int32_t aEndOffset, nsAString& aStr) = 0;
 
   NS_IMETHOD AppendCDATASection(nsIContent* aCDATASection,
                                 int32_t aStartOffset, int32_t aEndOffset,
                                 nsAString& aStr) = 0;
 

--- a/dom/base/nsPlainTextSerializer.cpp
+++ b/dom/base/nsPlainTextSerializer.cpp
@@ -17,18 +17,16 @@
 #include "nsTextFragment.h"
 #include "nsContentUtils.h"
 #include "nsReadableUtils.h"
 #include "nsUnicharUtils.h"
 #include "nsCRT.h"
 #include "mozilla/dom/Element.h"
 #include "mozilla/Preferences.h"
 #include "mozilla/BinarySearch.h"
-#include "nsComputedDOMStyle.h"
-#include "nsIDocument.h"
 
 using namespace mozilla;
 using namespace mozilla::dom;
 
 #define PREF_STRUCTS "converter.html2txt.structs"
 #define PREF_HEADER_STRATEGY "converter.html2txt.header_strategy"
 
 static const  int32_t kTabSize=4;
@@ -115,22 +113,20 @@ nsPlainTextSerializer::~nsPlainTextSeria
   NS_WARN_IF_FALSE(mHeadLevel == 0, "Wrong head level!");
 }
 
 NS_IMPL_ISUPPORTS(nsPlainTextSerializer,
                   nsIContentSerializer)
 
 
 NS_IMETHODIMP 
-nsPlainTextSerializer::Init(nsIDocument* aDocument, uint32_t aFlags,
-                            uint32_t aWrapColumn, const char* aCharSet,
-                            bool aIsCopying, bool aIsWholeDocument)
+nsPlainTextSerializer::Init(uint32_t aFlags, uint32_t aWrapColumn,
+                            const char* aCharSet, bool aIsCopying,
+                            bool aIsWholeDocument)
 {
-  MOZ_ASSERT(aDocument);
-
 #ifdef DEBUG
   // Check if the major control flags are set correctly.
   if (aFlags & nsIDocumentEncoder::OutputFormatFlowed) {
     NS_ASSERTION(aFlags & nsIDocumentEncoder::OutputFormatted,
                  "If you want format=flowed, you must combine it with "
                  "nsIDocumentEncoder::OutputFormatted");
   }
 
@@ -185,20 +181,16 @@ nsPlainTextSerializer::Init(nsIDocument*
         Preferences::GetBool("mail.compose.wrap_to_window_width",
                              mDontWrapAnyQuotes);
     }
   }
 
   // XXX We should let the caller decide whether to do this or not
   mFlags &= ~nsIDocumentEncoder::OutputNoFramesContent;
 
-  // Flush the styles on the document to ensure that we read the correct style
-  // information when determining whether an element is preformatted.
-  aDocument->FlushPendingNotifications(Flush_Style);
-
   return NS_OK;
 }
 
 bool
 nsPlainTextSerializer::GetLastBool(const nsTArray<bool>& aStack)
 {
   uint32_t size = aStack.Length();
   if (size == 0) {
@@ -359,17 +351,16 @@ nsPlainTextSerializer::AppendElementStar
   nsIAtom* id = GetIdForContent(mElement);
 
   bool isContainer = !nsContentUtils::IsHTMLVoid(id);
 
   mOutputString = &aStr;
 
   if (isContainer) {
     rv = DoOpenContainer(id);
-    mPreformatStack.push(IsElementPreformatted(mElement));
   }
   else {
     rv = DoAddLeaf(id);
   }
 
   mElement = nullptr;
   mOutputString = nullptr;
 
@@ -393,17 +384,16 @@ nsPlainTextSerializer::AppendElementEnd(
 
   bool isContainer = !nsContentUtils::IsHTMLVoid(id);
 
   mOutputString = &aStr;
 
   rv = NS_OK;
   if (isContainer) {
     rv = DoCloseContainer(id);
-    mPreformatStack.pop();
   }
 
   mElement = nullptr;
   mOutputString = nullptr;
 
   if (id == nsGkAtoms::head) {
     NS_ASSERTION(mHeadLevel != 0,
                  "mHeadLevel being decremented below 0");
@@ -1542,17 +1532,17 @@ nsPlainTextSerializer::Write(const nsASt
   // Output directly while the other code path goes through AddToLine.
   if ((mPreFormatted && !mWrapColumn) || IsInPre()
       || ((mSpanLevel > 0 || mDontWrapAnyQuotes)
           && mEmptyLines >= 0 && str.First() == char16_t('>'))) {
     // No intelligent wrapping.
 
     // This mustn't be mixed with intelligent wrapping without clearing
     // the mCurrentLine buffer before!!!
-    NS_ASSERTION(mCurrentLine.IsEmpty() || IsInPre(),
+    NS_ASSERTION(mCurrentLine.IsEmpty(),
                  "Mixed wrapping data and nonwrapping data on the same line");
     if (!mCurrentLine.IsEmpty()) {
       FlushLine();
     }
 
     // Put the mail quote "> " chars in, if appropriate.
     // Have to put it in before every line.
     while(bol<totLen) {
@@ -1760,32 +1750,38 @@ nsPlainTextSerializer::GetIdForContent(n
   if (!aContent->IsHTML()) {
     return nullptr;
   }
 
   nsIAtom* localName = aContent->Tag();
   return localName->IsStaticAtom() ? localName : nullptr;
 }
 
+/**
+ * Returns true if we currently are inside a <pre>. The check is done
+ * by traversing the tag stack looking for <pre> until we hit a block
+ * level tag which is assumed to override any <pre>:s below it in
+ * the stack. To do this correctly to a 100% would require access
+ * to style which we don't support in this converter.
+ */  
 bool
 nsPlainTextSerializer::IsInPre()
 {
-  return !mPreformatStack.empty() && mPreformatStack.top();
-}
+  int32_t i = mTagStackIndex;
+  while(i > 0) {
+    if (mTagStack[i - 1] == nsGkAtoms::pre)
+      return true;
+    if (nsContentUtils::IsHTMLBlock(mTagStack[i - 1])) {
+      // We assume that every other block overrides a <pre>
+      return false;
+    }
+    --i;
+  }
 
-bool
-nsPlainTextSerializer::IsElementPreformatted(Element* aElement)
-{
-  nsRefPtr<nsStyleContext> styleContext =
-    nsComputedDOMStyle::GetStyleContextForElementNoFlush(aElement, nullptr,
-                                                         nullptr);
-  if (styleContext) {
-    const nsStyleText* textStyle = styleContext->StyleText();
-    return textStyle->WhiteSpaceOrNewlineIsSignificant();
-  }
+  // Not a <pre> in the whole stack
   return false;
 }
 
 /**
  * This method is required only to identify LI's inside OL.
  * Returns TRUE if we are inside an OL tag and FALSE otherwise.
  */
 bool

--- a/dom/base/nsPlainTextSerializer.h
+++ b/dom/base/nsPlainTextSerializer.h
@@ -17,37 +17,35 @@
 #include "nsCOMPtr.h"
 #include "nsIAtom.h"
 #include "nsIContentSerializer.h"
 #include "nsIDocumentEncoder.h"
 #include "nsILineBreaker.h"
 #include "nsString.h"
 #include "nsTArray.h"
 
-#include <stack>
-
 class nsIContent;
 
 namespace mozilla {
 namespace dom {
 class Element;
 } // namespace dom
 } // namespace mozilla
 
 class nsPlainTextSerializer : public nsIContentSerializer
 {
 public:
   nsPlainTextSerializer();
 
   NS_DECL_ISUPPORTS
 
   // nsIContentSerializer
-  NS_IMETHOD Init(nsIDocument* aDocument, uint32_t flags,
-                  uint32_t aWrapColumn, const char* aCharSet,
-                  bool aIsCopying, bool aRewriteEncodingDeclaration) MOZ_OVERRIDE;
+  NS_IMETHOD Init(uint32_t flags, uint32_t aWrapColumn,
+                  const char* aCharSet, bool aIsCopying,
+                  bool aIsWholeDocument) MOZ_OVERRIDE;
 
   NS_IMETHOD AppendText(nsIContent* aText, int32_t aStartOffset,
                         int32_t aEndOffset, nsAString& aStr) MOZ_OVERRIDE;
   NS_IMETHOD AppendCDATASection(nsIContent* aCDATASection,
                                 int32_t aStartOffset, int32_t aEndOffset,
                                 nsAString& aStr) MOZ_OVERRIDE;
   NS_IMETHOD AppendProcessingInstruction(nsIContent* aPI,
                                          int32_t aStartOffset,
@@ -109,19 +107,16 @@ protected:
   // Stack handling functions
   bool GetLastBool(const nsTArray<bool>& aStack);
   void SetLastBool(nsTArray<bool>& aStack, bool aValue);
   void PushBool(nsTArray<bool>& aStack, bool aValue);
   bool PopBool(nsTArray<bool>& aStack);
 
   bool ShouldReplaceContainerWithPlaceholder(nsIAtom* aTag);
 
-private:
-  bool IsElementPreformatted(mozilla::dom::Element* aElement);
-
 protected:
   nsString         mCurrentLine;
   uint32_t         mHeadLevel;
   bool             mAtFirstColumn;
 
   // Handling of quoted text (for mail):
   // Quotes need to be wrapped differently from non-quoted text,
   // because quoted text has a few extra characters (e.g. ">> ")
@@ -196,21 +191,16 @@ protected:
   nsAString*            mOutputString;
 
   // The tag stack: the stack of tags we're operating on, so we can nest.
   // The stack only ever points to static atoms, so they don't need to be
   // refcounted.
   nsIAtom**        mTagStack;
   uint32_t         mTagStackIndex;
 
-  // The stack indicating whether the elements we've been operating on are
-  // CSS preformatted elements, so that we can tell if the text inside them
-  // should be formatted.
-  std::stack<bool> mPreformatStack;
-
   // Content in the stack above this index should be ignored:
   uint32_t          mIgnoreAboveIndex;
 
   // The stack for ordered lists
   int32_t         *mOLStack;
   uint32_t         mOLStackIndex;
 
   uint32_t         mULCount;

--- a/dom/base/nsXHTMLContentSerializer.cpp
+++ b/dom/base/nsXHTMLContentSerializer.cpp
@@ -28,18 +28,16 @@
 #include "nsITextToSubURI.h"
 #include "nsCRT.h"
 #include "nsIParserService.h"
 #include "nsContentUtils.h"
 #include "nsLWBrkCIID.h"
 #include "nsIScriptElement.h"
 #include "nsAttrName.h"
 #include "nsParserConstants.h"
-#include "nsComputedDOMStyle.h"
-#include "mozilla/dom/Element.h"
 
 static const int32_t kLongLineLen = 128;
 
 #define kXMLNS "xmlns"
 
 nsresult NS_NewXHTMLContentSerializer(nsIContentSerializer** aSerializer)
 {
   nsXHTMLContentSerializer* it = new nsXHTMLContentSerializer();
@@ -56,54 +54,44 @@ nsXHTMLContentSerializer::nsXHTMLContent
 }
 
 nsXHTMLContentSerializer::~nsXHTMLContentSerializer()
 {
   NS_ASSERTION(mOLStateStack.IsEmpty(), "Expected OL State stack to be empty");
 }
 
 NS_IMETHODIMP
-nsXHTMLContentSerializer::Init(nsIDocument* aDocument, uint32_t aFlags,
-                               uint32_t aWrapColumn, const char* aCharSet,
-                               bool aIsCopying, bool aRewriteEncodingDeclaration)
+nsXHTMLContentSerializer::Init(uint32_t aFlags, uint32_t aWrapColumn,
+                              const char* aCharSet, bool aIsCopying,
+                              bool aRewriteEncodingDeclaration)
 {
-  MOZ_ASSERT(aDocument);
-
   // The previous version of the HTML serializer did implicit wrapping
   // when there is no flags, so we keep wrapping in order to keep
   // compatibility with the existing calling code
   // XXXLJ perhaps should we remove this default settings later ?
   if (aFlags & nsIDocumentEncoder::OutputFormatted ) {
       aFlags = aFlags | nsIDocumentEncoder::OutputWrap;
   }
 
   nsresult rv;
-  rv = nsXMLContentSerializer::Init(aDocument, aFlags, aWrapColumn, aCharSet,
-                                    aIsCopying, aRewriteEncodingDeclaration);
+  rv = nsXMLContentSerializer::Init(aFlags, aWrapColumn, aCharSet, aIsCopying, aRewriteEncodingDeclaration);
   NS_ENSURE_SUCCESS(rv, rv);
 
   mRewriteEncodingDeclaration = aRewriteEncodingDeclaration;
   mIsCopying = aIsCopying;
   mIsFirstChildOfOL = false;
   mInBody = 0;
   mDisableEntityEncoding = 0;
   mBodyOnly = (mFlags & nsIDocumentEncoder::OutputBodyOnly) ? true
                                                             : false;
 
   // set up entity converter if we are going to need it
   if (mFlags & nsIDocumentEncoder::OutputEncodeW3CEntities) {
     mEntityConverter = do_CreateInstance(NS_ENTITYCONVERTER_CONTRACTID);
   }
-
-  // Flush the styles on the document to ensure that we read the correct style
-  // information when determining whether an element is preformatted.
-  if (ShouldMaintainPreLevel()) {
-    aDocument->FlushPendingNotifications(Flush_Style);
-  }
-
   return NS_OK;
 }
 
 
 // See if the string has any lines longer than longLineLen:
 // if so, we presume formatting is wonky (e.g. the node has been edited)
 // and we'd better rewrap the whole text node.
 bool
@@ -138,17 +126,17 @@ nsXHTMLContentSerializer::AppendText(nsI
 
   nsAutoString data;
   nsresult rv;
 
   rv = AppendTextData(aText, aStartOffset, aEndOffset, data, true);
   if (NS_FAILED(rv))
     return NS_ERROR_FAILURE;
 
-  if (mDoRaw || PreLevel() > 0) {
+  if (mPreLevel > 0 || mDoRaw) {
     AppendToStringConvertLF(data, aStr);
   }
   else if (mDoFormat) {
     AppendToStringFormatedWrapped(data, aStr);
   }
   else if (mDoWrap) {
     AppendToStringWrapped(data, aStr);
   }
@@ -542,19 +530,18 @@ nsXHTMLContentSerializer::CheckElementSt
   // even if we're not in pretty printing mode
   aForceFormat = !(mFlags & nsIDocumentEncoder::OutputIgnoreMozDirty) &&
                  aContent->HasAttr(kNameSpaceID_None, nsGkAtoms::mozdirty);
 
   nsIAtom *name = aContent->Tag();
   int32_t namespaceID = aContent->GetNameSpaceID();
 
   if (namespaceID == kNameSpaceID_XHTML) {
-    if (name == nsGkAtoms::br &&
-        (mFlags & nsIDocumentEncoder::OutputNoFormattingInPre) &&
-        PreLevel() > 0) {
+    if (name == nsGkAtoms::br && mPreLevel > 0 && 
+        (mFlags & nsIDocumentEncoder::OutputNoFormattingInPre)) {
       AppendNewLineToString(aStr);
       return false;
     }
 
     if (name == nsGkAtoms::body) {
       ++mInBody;
     }
   }
@@ -851,70 +838,51 @@ nsXHTMLContentSerializer::LineBreakAfter
 
   return false;
 }
 
 
 void
 nsXHTMLContentSerializer::MaybeEnterInPreContent(nsIContent* aNode)
 {
-  if (!ShouldMaintainPreLevel() ||
-      aNode->GetNameSpaceID() != kNameSpaceID_XHTML) {
+
+  if (aNode->GetNameSpaceID() != kNameSpaceID_XHTML) {
     return;
   }
 
   nsIAtom *name = aNode->Tag();
 
-  if (IsElementPreformatted(aNode) ||
+  if (name == nsGkAtoms::pre ||
       name == nsGkAtoms::script ||
       name == nsGkAtoms::style ||
       name == nsGkAtoms::noscript ||
       name == nsGkAtoms::noframes
       ) {
-    PreLevel()++;
+    mPreLevel++;
   }
 }
 
 void
 nsXHTMLContentSerializer::MaybeLeaveFromPreContent(nsIContent* aNode)
 {
-  if (!ShouldMaintainPreLevel() ||
-      aNode->GetNameSpaceID() != kNameSpaceID_XHTML) {
+  if (aNode->GetNameSpaceID() != kNameSpaceID_XHTML) {
     return;
   }
 
   nsIAtom *name = aNode->Tag();
-  if (IsElementPreformatted(aNode) ||
+  if (name == nsGkAtoms::pre ||
       name == nsGkAtoms::script ||
       name == nsGkAtoms::style ||
       name == nsGkAtoms::noscript ||
       name == nsGkAtoms::noframes
     ) {
-    --PreLevel();
+    --mPreLevel;
   }
 }
 
-bool
-nsXHTMLContentSerializer::IsElementPreformatted(nsIContent* aNode)
-{
-  MOZ_ASSERT(ShouldMaintainPreLevel(), "We should not be calling this needlessly");
-
-  if (!aNode->IsElement()) {
-    return false;
-  }
-  nsRefPtr<nsStyleContext> styleContext =
-    nsComputedDOMStyle::GetStyleContextForElementNoFlush(aNode->AsElement(),
-                                                         nullptr, nullptr);
-  if (styleContext) {
-    const nsStyleText* textStyle = styleContext->StyleText();
-    return textStyle->WhiteSpaceOrNewlineIsSignificant();
-  }
-  return false;
-}
-
 void 
 nsXHTMLContentSerializer::SerializeLIValueAttribute(nsIContent* aElement,
                                                     nsAString& aStr)
 {
   // We are copying and we are at the "first" LI node of OL in selected range.
   // It may not be the first LI child of OL but it's first in the selected range.
   // Note that we get into this condition only once per a OL.
   bool found = false;

--- a/dom/base/nsXHTMLContentSerializer.h
+++ b/dom/base/nsXHTMLContentSerializer.h
@@ -21,19 +21,19 @@
 class nsIContent;
 class nsIAtom;
 
 class nsXHTMLContentSerializer : public nsXMLContentSerializer {
  public:
   nsXHTMLContentSerializer();
   virtual ~nsXHTMLContentSerializer();
 
-  NS_IMETHOD Init(nsIDocument* aDocument, uint32_t flags,
-                  uint32_t aWrapColumn, const char* aCharSet,
-                  bool aIsCopying, bool aRewriteEncodingDeclaration) MOZ_OVERRIDE;
+  NS_IMETHOD Init(uint32_t flags, uint32_t aWrapColumn,
+                  const char* aCharSet, bool aIsCopying,
+                  bool aRewriteEncodingDeclaration) MOZ_OVERRIDE;
 
   NS_IMETHOD AppendText(nsIContent* aText,
                         int32_t aStartOffset,
                         int32_t aEndOffset,
                         nsAString& aStr) MOZ_OVERRIDE;
 
   NS_IMETHOD AppendDocumentStart(nsIDocument *aDocument,
                                  nsAString& aStr) MOZ_OVERRIDE;
@@ -88,20 +88,16 @@ class nsXHTMLContentSerializer : public 
   bool IsShorthandAttr(const nsIAtom* aAttrName,
                          const nsIAtom* aElementName);
   virtual void AppendAndTranslateEntities(const nsAString& aStr,
                                           nsAString& aOutputStr) MOZ_OVERRIDE;
   nsresult EscapeURI(nsIContent* aContent,
                      const nsAString& aURI,
                      nsAString& aEscapedURI);
 
-private:
-  bool IsElementPreformatted(nsIContent* aNode);
-
-protected:
   nsCOMPtr<nsIEntityConverter> mEntityConverter;
 
   /*
    * isHTMLParser should be set to true by the HTML parser which inherits from
    * this class. It avoids to redefine methods just for few changes.
    */
   bool          mIsHTMLSerializer;
 

--- a/dom/base/nsXMLContentSerializer.cpp
+++ b/dom/base/nsXMLContentSerializer.cpp
@@ -69,19 +69,19 @@ nsXMLContentSerializer::nsXMLContentSeri
 
 nsXMLContentSerializer::~nsXMLContentSerializer()
 {
 }
 
 NS_IMPL_ISUPPORTS(nsXMLContentSerializer, nsIContentSerializer)
 
 NS_IMETHODIMP 
-nsXMLContentSerializer::Init(nsIDocument* aDocument, uint32_t aFlags,
-                             uint32_t aWrapColumn, const char* aCharSet,
-                             bool aIsCopying, bool aRewriteEncodingDeclaration)
+nsXMLContentSerializer::Init(uint32_t aFlags, uint32_t aWrapColumn,
+                             const char* aCharSet, bool aIsCopying,
+                             bool aRewriteEncodingDeclaration)
 {
   mPrefixIndex = 0;
   mColPos = 0;
   mIndentOverflow = 0;
   mIsIndentationAddedOnCurrentLine = false;
   mInAttribute = false;
   mAddNewlineForRootNode = false;
   mAddSpace = false;
@@ -182,17 +182,17 @@ nsXMLContentSerializer::AppendText(nsICo
 
   nsAutoString data;
   nsresult rv;
 
   rv = AppendTextData(aText, aStartOffset, aEndOffset, data, true);
   if (NS_FAILED(rv))
     return NS_ERROR_FAILURE;
 
-  if (mDoRaw || PreLevel() > 0) {
+  if (mPreLevel > 0 || mDoRaw) {
     AppendToStringConvertLF(data, aStr);
   }
   else if (mDoFormat) {
     AppendToStringFormatedWrapped(data, aStr);
   }
   else if (mDoWrap) {
     AppendToStringWrapped(data, aStr);
   }
@@ -209,17 +209,17 @@ nsXMLContentSerializer::AppendCDATASecti
                                            int32_t aEndOffset,
                                            nsAString& aStr)
 {
   NS_ENSURE_ARG(aCDATASection);
   nsresult rv;
 
   NS_NAMED_LITERAL_STRING(cdata , "<![CDATA[");
 
-  if (mDoRaw || PreLevel() > 0) {
+  if (mPreLevel > 0 || mDoRaw) {
     AppendToString(cdata, aStr);
   }
   else if (mDoFormat) {
     AppendToStringFormatedWrapped(cdata, aStr);
   }
   else if (mDoWrap) {
     AppendToStringWrapped(cdata, aStr);
   }
@@ -255,17 +255,17 @@ nsXMLContentSerializer::AppendProcessing
   if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
 
   rv = pi->GetData(data);
   if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
 
   start.AppendLiteral("<?");
   start.Append(target);
 
-  if (mDoRaw || PreLevel() > 0) {
+  if (mPreLevel > 0 || mDoRaw) {
     AppendToString(start, aStr);
   }
   else if (mDoFormat) {
     if (mAddSpace) {
       AppendNewLineToString(aStr);
     }
     AppendToStringFormatedWrapped(start, aStr);
   }
@@ -313,17 +313,17 @@ nsXMLContentSerializer::AppendComment(ns
     }
     data.Assign(frag);
   }
 
   MaybeAddNewlineForRootNode(aStr);
 
   NS_NAMED_LITERAL_STRING(startComment, "<!--");
 
-  if (mDoRaw || PreLevel() > 0) {
+  if (mPreLevel > 0 || mDoRaw) {
     AppendToString(startComment, aStr);
   }
   else if (mDoFormat) {
     if (mAddSpace) {
       AppendNewLineToString(aStr);
     }
     AppendToStringFormatedWrapped(startComment, aStr);
   }
@@ -688,17 +688,17 @@ nsXMLContentSerializer::SerializeAttr(co
                             NS_LITERAL_STRING("&amp;"));
     if (bIncludesDouble && bIncludesSingle) {
       sValue.ReplaceSubstring(NS_LITERAL_STRING("\""),
                               NS_LITERAL_STRING("&quot;"));
     }
     attrString.Append(sValue);
     attrString.Append(cDelimiter);
   }
-  if (mDoRaw || PreLevel() > 0) {
+  if (mPreLevel > 0 || mDoRaw) {
     AppendToStringConvertLF(attrString, aStr);
   }
   else if (mDoFormat) {
     AppendToStringFormatedWrapped(attrString, aStr);
   }
   else if (mDoWrap) {
     AppendToStringWrapped(attrString, aStr);
   }
@@ -893,17 +893,17 @@ nsXMLContentSerializer::AppendElementSta
   aElement->NodeInfo()->GetNamespaceURI(tagNamespaceURI);
 
   uint32_t skipAttr = ScanNamespaceDeclarations(content,
                           aOriginalElement, tagNamespaceURI);
 
   nsIAtom *name = content->Tag();
   bool lineBreakBeforeOpen = LineBreakBeforeOpen(content->GetNameSpaceID(), name);
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()) {
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw) {
     if (mColPos && lineBreakBeforeOpen) {
       AppendNewLineToString(aStr);
     }
     else {
       MaybeAddNewlineForRootNode(aStr);
     }
     if (!mColPos) {
       AppendIndentation(aStr);
@@ -934,28 +934,28 @@ nsXMLContentSerializer::AppendElementSta
   if (!tagPrefix.IsEmpty()) {
     AppendToString(tagPrefix, aStr);
     AppendToString(NS_LITERAL_STRING(":"), aStr);
   }
   AppendToString(tagLocalName, aStr);
 
   MaybeEnterInPreContent(content);
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()) {
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw) {
     IncrIndentation(name);
   }
 
   SerializeAttributes(content, aOriginalElement, tagPrefix, tagNamespaceURI,
                       name, aStr, skipAttr, addNSAttr);
 
   AppendEndOfElementStart(aOriginalElement, name, content->GetNameSpaceID(),
                           aStr);
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()
-    && LineBreakAfterOpen(content->GetNameSpaceID(), name)) {
+  if ((mDoFormat || forceFormat) && !mPreLevel 
+    && !mDoRaw && LineBreakAfterOpen(content->GetNameSpaceID(), name)) {
     AppendNewLineToString(aStr);
   }
 
   AfterElementStart(content, aOriginalElement, aStr);
 
   return NS_OK;
 }
 
@@ -982,17 +982,17 @@ nsXMLContentSerializer::AppendElementEnd
 
   nsIContent* content = aElement;
 
   bool forceFormat = false, outputElementEnd;
   outputElementEnd = CheckElementEnd(content, forceFormat, aStr);
 
   nsIAtom *name = content->Tag();
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()) {
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw) {
     DecrIndentation(name);
   }
 
   if (!outputElementEnd) {
     PopNameSpaceDeclsFor(aElement);
     MaybeFlagNewlineForRootNode(aElement);
     return NS_OK;
   }
@@ -1004,17 +1004,17 @@ nsXMLContentSerializer::AppendElementEnd
   aElement->NodeInfo()->GetNamespaceURI(tagNamespaceURI);
 
 #ifdef DEBUG
   bool debugNeedToPushNamespace =
 #endif
   ConfirmPrefix(tagPrefix, tagNamespaceURI, aElement, false);
   NS_ASSERTION(!debugNeedToPushNamespace, "Can't push namespaces in closing tag!");
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()) {
+  if ((mDoFormat || forceFormat) && !mPreLevel && !mDoRaw) {
 
     bool lineBreakBeforeClose = LineBreakBeforeClose(content->GetNameSpaceID(), name);
 
     if (mColPos && lineBreakBeforeClose) {
       AppendNewLineToString(aStr);
     }
     if (!mColPos) {
       AppendIndentation(aStr);
@@ -1036,18 +1036,18 @@ nsXMLContentSerializer::AppendElementEnd
   }
   AppendToString(tagLocalName, aStr);
   AppendToString(kGreaterThan, aStr);
 
   PopNameSpaceDeclsFor(aElement);
 
   MaybeLeaveFromPreContent(content);
 
-  if ((mDoFormat || forceFormat) && !mDoRaw && !PreLevel()
-      && LineBreakAfterClose(content->GetNameSpaceID(), name)) {
+  if ((mDoFormat || forceFormat) && !mPreLevel
+      && !mDoRaw && LineBreakAfterClose(content->GetNameSpaceID(), name)) {
     AppendNewLineToString(aStr);
   }
   else {
     MaybeFlagNewlineForRootNode(aElement);
   }
 
   AfterElementEnd(content, aStr);
 
@@ -1212,35 +1212,33 @@ nsXMLContentSerializer::MaybeFlagNewline
     mAddNewlineForRootNode = parent->IsNodeOfType(nsINode::eDOCUMENT);
   }
 }
 
 void
 nsXMLContentSerializer::MaybeEnterInPreContent(nsIContent* aNode)
 {
   // support of the xml:space attribute
-  if (ShouldMaintainPreLevel() &&
-      aNode->HasAttr(kNameSpaceID_XML, nsGkAtoms::space)) {
+  if (aNode->HasAttr(kNameSpaceID_XML, nsGkAtoms::space)) {
     nsAutoString space;
     aNode->GetAttr(kNameSpaceID_XML, nsGkAtoms::space, space);
     if (space.EqualsLiteral("preserve"))
-      ++PreLevel();
+      ++mPreLevel;
   }
 }
 
 void
 nsXMLContentSerializer::MaybeLeaveFromPreContent(nsIContent* aNode)
 {
   // support of the xml:space attribute
-  if (ShouldMaintainPreLevel() &&
-      aNode->HasAttr(kNameSpaceID_XML, nsGkAtoms::space)) {
+  if (aNode->HasAttr(kNameSpaceID_XML, nsGkAtoms::space)) {
     nsAutoString space;
     aNode->GetAttr(kNameSpaceID_XML, nsGkAtoms::space, space);
     if (space.EqualsLiteral("preserve"))
-      --PreLevel();
+      --mPreLevel;
   }
 }
 
 void
 nsXMLContentSerializer::AppendNewLineToString(nsAString& aStr)
 {
   AppendToString(mLineBreak, aStr);
   mMayIgnoreLineBreakSequence = true;
@@ -1439,17 +1437,17 @@ nsXMLContentSerializer::AppendWrapped_No
   uint32_t length, colPos;
 
   do {
 
     if (mColPos) {
       colPos = mColPos;
     }
     else {
-      if (mDoFormat && !mDoRaw && !PreLevel() && !onceAgainBecauseWeAddedBreakInFront) {
+      if (mDoFormat && !mPreLevel && !onceAgainBecauseWeAddedBreakInFront) {
         colPos = mIndent.Length();
       }
       else
         colPos = 0;
     }
     foundWhitespaceInLoop = false;
     length = 0;
     // we iterate until the next whitespace character
@@ -1708,15 +1706,8 @@ nsXMLContentSerializer::AppendToStringWr
       AppendWrapped_WhitespaceSequence(pos, end, sequenceStart, aOutputStr);
     }
     else { // any other non-whitespace char
       AppendWrapped_NonWhitespaceSequence(pos, end, sequenceStart,
         mayIgnoreStartOfLineWhitespaceSequence, sequenceStartAfterAWhitespace, aOutputStr);
     }
   }
 }
-
-bool
-nsXMLContentSerializer::ShouldMaintainPreLevel() const
-{
-  // Only attempt to maintain the pre level for consumers who care about it.
-  return !mDoRaw || (mFlags & nsIDocumentEncoder::OutputNoFormattingInPre);
-}

--- a/dom/base/nsXMLContentSerializer.h
+++ b/dom/base/nsXMLContentSerializer.h
@@ -27,19 +27,19 @@ class nsIDOMNode;
 class nsINode;
 
 class nsXMLContentSerializer : public nsIContentSerializer {
  public:
   nsXMLContentSerializer();
 
   NS_DECL_ISUPPORTS
 
-  NS_IMETHOD Init(nsIDocument* aDocument, uint32_t flags,
-                  uint32_t aWrapColumn, const char* aCharSet,
-                  bool aIsCopying, bool aRewriteEncodingDeclaration) MOZ_OVERRIDE;
+  NS_IMETHOD Init(uint32_t flags, uint32_t aWrapColumn,
+                  const char* aCharSet, bool aIsCopying,
+                  bool aRewriteEncodingDeclaration) MOZ_OVERRIDE;
 
   NS_IMETHOD AppendText(nsIContent* aText, int32_t aStartOffset,
                         int32_t aEndOffset, nsAString& aStr) MOZ_OVERRIDE;
 
   NS_IMETHOD AppendCDATASection(nsIContent* aCDATASection,
                                 int32_t aStartOffset, int32_t aEndOffset,
                                 nsAString& aStr) MOZ_OVERRIDE;
 
@@ -289,26 +289,16 @@ class nsXMLContentSerializer : public ns
   // the root of a document. See mAddNewlineForRootNode
   void MaybeAddNewlineForRootNode(nsAString& aStr);
   void MaybeFlagNewlineForRootNode(nsINode* aNode);
 
   // Functions to check if we enter in or leave from a preformated content
   virtual void MaybeEnterInPreContent(nsIContent* aNode);
   virtual void MaybeLeaveFromPreContent(nsIContent* aNode);
 
-  bool ShouldMaintainPreLevel() const;
-  int32_t PreLevel() const {
-    MOZ_ASSERT(ShouldMaintainPreLevel());
-    return mPreLevel;
-  }
-  int32_t& PreLevel() {
-    MOZ_ASSERT(ShouldMaintainPreLevel());
-    return mPreLevel;
-  }
-
   int32_t mPrefixIndex;
 
   struct NameSpaceDecl {
     nsString mPrefix;
     nsString mURI;
     nsIContent* mOwner;
   };
 
@@ -366,17 +356,16 @@ class nsXMLContentSerializer : public ns
   // says that if the next string to add contains a newline character at the
   // begining, then this newline character should be ignored, because a
   // such character has already been added into the output string
   bool          mMayIgnoreLineBreakSequence;
 
   bool          mBodyOnly;
   int32_t       mInBody;
 
-private:
   // number of nested elements which have preformated content
   int32_t       mPreLevel;
 };
 
 nsresult
 NS_NewXMLContentSerializer(nsIContentSerializer** aSerializer);
 
 #endif 

--- a/dom/base/test/copypaste.js
+++ b/dom/base/test/copypaste.js
@@ -155,27 +155,27 @@ function testCopyPaste (isXHTML) {
   }
   else {
     testClipboardValue("text/html", "<div id=\"div4\">\n  T<textarea>t t t</textarea>\n</div>");
     testInnerHTML("div4", "\n  T<textarea>t t t</textarea>\n");
   }
   testPasteText(" Tt t t ");
 
   copyChildrenToClipboard("div5");
-  testSelectionToString(" T     ");
-  testClipboardValue("text/unicode", " T     ");
+  testSelectionToString(" T ");
+  testClipboardValue("text/unicode", " T ");
   if (isXHTML) {
     testClipboardValue("text/html", "<div id=\"div5\">\n  T<textarea xmlns=\"http://www.w3.org/1999/xhtml\">     </textarea>\n</div>");
     testInnerHTML("div5", "\n  T<textarea xmlns=\"http://www.w3.org/1999/xhtml\">     </textarea>\n");
   }
   else {
     testClipboardValue("text/html", "<div id=\"div5\">\n  T<textarea>     </textarea>\n</div>");
     testInnerHTML("div5", "\n  T<textarea>     </textarea>\n");
   }
-  testPasteText(" T     ");
+  testPasteText(" T ");
 
   copyRangeToClipboard($("div6").childNodes[0],0, $("div6").childNodes[1],1,suppressUnicodeCheckIfHidden);
   testSelectionToString("");
 // START Disabled due to bug 564688
 if (false) {
   testClipboardValue("text/unicode", "");
   testClipboardValue("text/html", "");
 }

--- a/dom/base/test/file_htmlserializer_1_bodyonly.html
+++ b/dom/base/test/file_htmlserializer_1_bodyonly.html
@@ -28,19 +28,16 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body>
\ No newline at end of file

--- a/dom/base/test/file_htmlserializer_1_format.html
+++ b/dom/base/test/file_htmlserializer_1_format.html
@@ -37,24 +37,21 @@ var d = a < b && a > c;
       <li> non lacus posuere aliquet.</li>
       <li> Sed fermentum posuere nulla</li>
       <li> Donec tempor.</li>
     </ol>
     Donec sollicitudin tortor
     <!-- test on 
 comments -->
     <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
-      Cras quis<br>
-      nisi at odio<br>
-      consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non
-      urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci
-      luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla
-      at pharetra rutrum, <br>
-      lacus risus pulvinar ante.
-    </pre>
+ Cras quis<br>
+ nisi at odio<br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
+lacus risus pulvinar ante.
+</pre>
     ut gravida eros leo ut libero
     <p></p>
     <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
     <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus
       aliquet lectus. Nunc vitae eros. Class aptent taciti</p>
   </body>
 </html>

--- a/dom/base/test/file_htmlserializer_1_linebreak.html
+++ b/dom/base/test/file_htmlserializer_1_linebreak.html
@@ -32,19 +32,16 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body></html>
\ No newline at end of file

--- a/dom/base/test/file_htmlserializer_1_links.html
+++ b/dom/base/test/file_htmlserializer_1_links.html
@@ -32,19 +32,16 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body></html>

--- a/dom/base/test/file_htmlserializer_1_nested_body.html
+++ b/dom/base/test/file_htmlserializer_1_nested_body.html
@@ -32,19 +32,16 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p><body><p>this is an other body element</p></body></body></html>
\ No newline at end of file

--- a/dom/base/test/file_htmlserializer_1_noflag.html
+++ b/dom/base/test/file_htmlserializer_1_noflag.html
@@ -32,19 +32,16 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body></html>
\ No newline at end of file

--- a/dom/base/test/file_htmlserializer_1_noformatpre.html
+++ b/dom/base/test/file_htmlserializer_1_noformatpre.html
@@ -29,22 +29,23 @@ var a=3, b=4, c=7;
 var d = a < b && a > c;
 </script>
 
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
-<pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
- Cras quis<br>
- nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+<pre>lacinia <em>libero</em> ullamcorper laoreet.
+
+ Cras quis
+
+ nisi at odio
+
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, 
+
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body></html>
\ No newline at end of file

--- a/dom/base/test/file_htmlserializer_1_sibling_body.html
+++ b/dom/base/test/file_htmlserializer_1_sibling_body.html
@@ -32,19 +32,16 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body></html>
\ No newline at end of file

--- a/dom/base/test/file_htmlserializer_1_sibling_body_only_body.html
+++ b/dom/base/test/file_htmlserializer_1_sibling_body_only_body.html
@@ -28,19 +28,16 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body>
\ No newline at end of file

--- a/dom/base/test/file_htmlserializer_1_wrap.html
+++ b/dom/base/test/file_htmlserializer_1_wrap.html
@@ -36,20 +36,17 @@ var d = a < b && a > c;
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum 
 posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br>
  Cras quis<br>
  nisi at odio<br>
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br>
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br>
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros leo ut libero
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc & non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus 
 aliquet lectus. Nunc vitae eros. Class aptent taciti</p></body></html>
\ No newline at end of file

--- a/dom/base/test/file_xhtmlserializer_1_bodyonly.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_bodyonly.xhtml
@@ -30,20 +30,17 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_format.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_format.xhtml
@@ -40,24 +40,21 @@ var d = a < b && a > c;
       <li> non lacus posuere aliquet.</li>
       <li> Sed fermentum posuere nulla</li>
       <li> Donec tempor.</li>
     </ol>
     Donec sollicitudin tortor
     <!-- test on 
 comments -->
     <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
-      Cras quis<br />
-      nisi at odio<br />
-      consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non
-      urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci
-      luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla
-      at pharetra rutrum, <br />
-      lacus risus pulvinar ante.
-    </pre>
+ Cras quis<br />
+ nisi at odio<br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
+lacus risus pulvinar ante.
+</pre>
     ut gravida eros <br />
     leo ut libero
     <!-- empty element: end tag should be generated for backward compatibility with HTML -->
     <p></p>
     <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
     <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus
       aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_linebreak.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_linebreak.xhtml
@@ -38,20 +38,17 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_links.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_links.xhtml
@@ -38,20 +38,17 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_nested_body.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_nested_body.xhtml
@@ -38,20 +38,17 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_noflag.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_noflag.xhtml
@@ -38,20 +38,17 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_noformatpre.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_noformatpre.xhtml
@@ -35,23 +35,24 @@ var d = a < b && a > c;
 //]]>
 </script>
 
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
-<pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
- Cras quis<br />
- nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+<pre>lacinia <em>libero</em> ullamcorper laoreet.
+
+ Cras quis
+
+ nisi at odio
+
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, 
+
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_sibling_body.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_sibling_body.xhtml
@@ -38,20 +38,17 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_sibling_body_only_body.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_sibling_body_only_body.xhtml
@@ -30,20 +30,17 @@ var d = a < b && a > c;
 <ol><li>Fusce
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus aliquet lectus. Nunc vitae eros. Class aptent taciti</p>

--- a/dom/base/test/file_xhtmlserializer_1_wrap.xhtml
+++ b/dom/base/test/file_xhtmlserializer_1_wrap.xhtml
@@ -41,20 +41,17 @@ var d = a < b && a > c;
  a ipsum</li><li> non lacus posuere aliquet.</li><li> Sed fermentum 
 posuere nulla</li><li> Donec tempor.</li></ol>
 Donec sollicitudin tortor 
 <!-- test on 
 comments -->
 <pre>lacinia <em>libero</em> ullamcorper laoreet.<br />
  Cras quis<br />
  nisi at odio<br />
- consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non 
-urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci 
-luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at 
-pharetra rutrum, <br />
+ consectetuer molestie. Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Sed sollicitudin, nulla at pharetra rutrum, <br />
 lacus risus pulvinar ante.
 </pre>
 ut gravida eros <br />leo ut libero
 <!-- empty element: end tag should be generated for backward compatibility with HTML -->
 <p></p>
 <noscript>
 <p>Curabitur consectetuer urna a sem. Nunc non urna. Cras in massa. Vestibulum ante ipsum primis in faucibus orci luctus</p></noscript>
 <p>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus 

--- a/dom/base/test/test_bug116083.html
+++ b/dom/base/test/test_bug116083.html
@@ -11,20 +11,16 @@ https://bugzilla.mozilla.org/show_bug.cg
 </head>
 <body>
 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=116083">Mozilla Bug 116083</a>
 <div id="content">
 <div style="white-space: pre">foo  bar</div>
 <div style="white-space: pre-wrap">foo  bar</div>
 <div style="white-space: pre-line">foo  bar</div>
 <div style="white-space: -moz-pre-space">foo  bar</div>
-<div data-result="bar  baz"><span style="white-space: pre">bar  </span>baz</div>
-<div data-result="bar  baz"><span style="white-space: pre-wrap">bar  </span>baz</div>
-<div data-result="bar  baz"><span style="white-space: pre-line">bar  </span>baz</div>
-<div data-result="bar  baz"><span style="white-space: -moz-pre-space">bar  </span>baz</div>
 <div data-result="&#10;foo bar&#10;">foo  bar</div>
 </div>
 <script type="application/javascript">
 
 SimpleTest.waitForExplicitFinish();
 SimpleTest.waitForFocus(function nextTest() {
   var div = document.querySelector("#content>div");
   if (!div) {