Revert "Accept prefixed xml attributes with null value"

This reverts commit 51089b34a7a535498dee42e6465d4d577d65b7d5.
A scaladoc test is failing and I have no time to look at it.

1 files changed, 3 insertions, 22 deletions

diff --git a/test/files/run/xml-attribute.scala b/test/files/run/xml-attribute.scala
index 8b261acc94..2b83f70b22 100644
--- a/test/files/run/xml-attribute.scala
+++ b/test/files/run/xml-attribute.scala
@@ -5,29 +5,10 @@ object Test {
     val noAttr = <t/>
     val attrNull = <t a={ null: String }/>
     val attrNone = <t a={ None: Option[Seq[Node]] }/>
-    val preAttrNull = <t p:a={ null: String }/>
-    val preAttrNone = <t p:a={ None: Option[Seq[Node]] }/>
     assert(noAttr == attrNull)
     assert(noAttr == attrNone)
-    assert(noAttr == preAttrNull)
-    assert(noAttr == preAttrNone)
-
-    val noAttrStr = "<t></t>"
-    assert(noAttr.toString() == noAttrStr)
-    assert(attrNull.toString() == noAttrStr)
-    assert(attrNone.toString() == noAttrStr)
-    assert(preAttrNull.toString() == noAttrStr)
-    assert(preAttrNone.toString() == noAttrStr)
-
-    val xml1 = <t b="1" d="2"/>
-    val xml2 = <t a={ null: String } p:a={ null: String } b="1" c={ null: String } d="2"/>
-    val xml3 = <t b="1" c={ null: String } d="2" a={ null: String } p:a={ null: String }/>
-    assert(xml1 == xml2)
-    assert(xml1 == xml3)
-
-    val xml1Str = "<t d=\"2\" b=\"1\"></t>"
-    assert(xml1.toString() == xml1Str)
-    assert(xml2.toString() == xml1Str)
-    assert(xml3.toString() == xml1Str)
+    assert(noAttr.toString() == "<t></t>")
+    assert(attrNull.toString() == "<t></t>")
+    assert(attrNone.toString() == "<t></t>")
   }
 }