Fixed #3322wq

Author: dcaoyuan

src/library/scala/xml/Utility.scala

@@ -194,22 +194,24 @@ object Utility extends AnyRef with parsing.TokenTests
     minimizeTags: Boolean = false): StringBuilder =
   {
     x match {
-      case c: Comment if !stripComments => c buildString sb
-      case x: SpecialNode               => x buildString sb
-      case g: Group                     => for (c <- g.nodes) toXML(c, x.scope, sb) ; sb
+      case c: Comment => if (!stripComments) c buildString sb else sb
+      case x: SpecialNode => x buildString sb
+      case g: Group =>
+        g.nodes foreach {toXML(_, x.scope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags)}
+        sb
       case _  =>
         // print tag with namespace declarations
         sb.append('<')
         x.nameToString(sb)
         if (x.attributes ne null) x.attributes.buildString(sb)
         x.scope.buildString(sb, pscope)
-        if (x.child.isEmpty && minimizeTags)
+        if (x.child.isEmpty && minimizeTags) {
           // no children, so use short form: <xyz .../>
           sb.append(" />")
-        else {
+        } else {
           // children, so use long form: <xyz ...>...</xyz>
           sb.append('>')
-          sequenceToXML(x.child, x.scope, sb, stripComments)
+          sequenceToXML(x.child, x.scope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags)
           sb.append("</")
           x.nameToString(sb)
           sb.append('>')
@@ -221,20 +223,23 @@ object Utility extends AnyRef with parsing.TokenTests
     children: Seq[Node],
     pscope: NamespaceBinding = TopScope,
     sb: StringBuilder = new StringBuilder,
-    stripComments: Boolean = false): Unit =
+    stripComments: Boolean = false,
+    decodeEntities: Boolean = true,
+    preserveWhitespace: Boolean = false,
+    minimizeTags: Boolean = false): Unit =
   {
     if (children.isEmpty) return
     else if (children forall isAtomAndNotText) { // add space
       val it = children.iterator
       val f = it.next
-      toXML(f, pscope, sb)
+      toXML(f, pscope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags)
       while (it.hasNext) {
         val x = it.next
         sb.append(' ')
-        toXML(x, pscope, sb)
+        toXML(x, pscope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags)
       }
     }
-    else children foreach { toXML(_, pscope, sb) }
+    else children foreach { toXML(_, pscope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags) }
   }
 
   /**

src/library/scala/xml/Xhtml.scala

@@ -49,11 +49,11 @@ object Xhtml
       (minimizableElements contains x.label)
 
     x match {
-      case c: Comment if !stripComments     => c buildString sb
+      case c: Comment                       => if (!stripComments) c buildString sb
       case er: EntityRef if decodeEntities  => decode(er)
       case x: SpecialNode                   => x buildString sb
       case g: Group                         =>
-        g.nodes foreach { toXhtml(_, x.scope, sb) }
+        g.nodes foreach { toXhtml(_, x.scope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags) }
 
       case _  =>
         sb.append('<')
@@ -64,7 +64,7 @@ object Xhtml
         if (shortForm) sb.append(" />")
         else {
           sb.append('>')
-          sequenceToXML(x.child, x.scope, sb)
+          sequenceToXML(x.child, x.scope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags)
           sb.append("</")
           x.nameToString(sb)
           sb.append('>')
@@ -89,9 +89,9 @@ object Xhtml
 
     val doSpaces = children forall isAtomAndNotText // interleave spaces
     for (c <- children.take(children.length - 1)) {
-      toXhtml(c, pscope, sb)
+      toXhtml(c, pscope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags)
       if (doSpaces) sb append ' '
     }
-    toXhtml(children.last, pscope, sb)
+    toXhtml(children.last, pscope, sb, stripComments, decodeEntities, preserveWhitespace, minimizeTags)
   }
 }