Fixed URL parsing with fragment and empty path

source/net/yacy/cora/document/id/MultiProtocolURL.java

@@ -228,6 +228,9 @@ public class MultiProtocolURL implements Serializable, Comparable<MultiProtocolU
                     q = url.indexOf("?", p + 3);
                 }
             }
+            if (q < 0) { // check for www.test.com#fragment
+                q = url.indexOf("#", p + 3);
+            } 
             int r;
             if (q < 0) {
                 if ((r = url.indexOf('@', p + 3)) < 0) {

test/java/net/yacy/cora/document/id/MultiProtocolURLTest.java

@@ -139,6 +139,7 @@ public class MultiProtocolURLTest {
             
             new String[]{"http://www.yacy.net?data=1/2/3", "www.yacy.net"},
             new String[]{"http://www.yacy.net?url=http://test.com", "www.yacy.net"},
+            new String[]{"http://www.yacy.net#fragment", "www.yacy.net"},
             /* Punycode encoded internationalized domain name : Algeria TLD */
             new String[]{"http://xn--ggbdmbaav3cjl1c9heugfv.xn--lgbbat1ad8j/", "xn--ggbdmbaav3cjl1c9heugfv.xn--lgbbat1ad8j"},
             /* Internationalized domain name : Algeria TLD */