disallow whitespace in wildcards (#2630)

Author: GuntherRademacher

basex-core/src/main/java/org/basex/query/QueryParser.java

@@ -2459,6 +2459,7 @@ private ExprInfo simpleNodeTest(final Kind kind, final boolean all) throws Query
       } else {
         NameTest.Scope scope = NameTest.Scope.FULL;
         if(!name.hasPrefix()) {
+          pos = p;
           if(consume(":*")) {
             // name test: prefix:*
             name = new QNm(concat(name.string(), cpToken(':')));

basex-core/src/test/java/org/basex/query/simple/SimpleTest.java

@@ -178,6 +178,7 @@ public final class SimpleTest extends QueryTest {
       { "Path 1", emptySequence(), "<a/>[./(@*)]" },
       { "Path 2", strings("A", "B"), "<_><x><x>A</x>B</x></_>//x/node()[last()] ! string()" },
       { "Path 3", integers(2, 2), "<a><b/><b/></a>/b/last()" },
+      { "Path 4", "<local:a/>/self::local :*" },
 
       { "Cast 1", integers(1), "xs:integer('+1')" },
       { "Cast 2", "xs:integer('++1')" },