Handle + use in diffs e.g. as generated by citation bot tool (https://citations.toolforge.org/)

git-svn-id: https://svn.code.sf.net/p/autowikibrowser/code/AWB@13010 5227b50d-9349-4574-b055-4b0a7525e11c

Author: Rob Wilmshurst

UnitTests/MiscellaneousTests.cs

@@ -2198,6 +2198,8 @@ public void NormalizeTitle()
 
             Assert.That(LMaker.NormalizeTitle(@"#[[Foo]]"), Is.EqualTo("#[[Foo]]"), "#wikilinked");
             Assert.That(LMaker.NormalizeTitle(@"Foo#bar"), Is.EqualTo("Foo"), "#wikilinked");
+
+            Assert.That(LMaker.NormalizeTitle(@"https://en.wikipedia.org/w/index.php?title=Sandeep+Nayak&diff=prev&oldid=1320026009"), Is.EqualTo("Sandeep Nayak"));
         }
 
         [Test]

WikiFunctions/Controls/Lists/ListMaker.cs

@@ -685,7 +685,7 @@ public string NormalizeTitle(string s)
             string escaped = Regex.Escape(Variables.URL);
 
             Regex HistoryDiff = new Regex(Regex.Replace(escaped, @"https?://", @"(?:https?://|//)?") + DiffEditURL);
-            s = HistoryDiff.Replace(s, "$1");
+            s = HistoryDiff.Replace(s, m => m.Groups[1].Value.Replace('+', '_'));
 
             // Assumsuption flaw: that all wikis use /wiki/ as the default path
             string url = Variables.URL + "/wiki/";