Fixed the parser for movies with A.

Fixes  some parser issues.

src/NzbDrone.Core.Test/ParserTests/ParserFixture.cs

@@ -71,6 +71,9 @@ namespace NzbDrone.Core.Test.ParserTests
 		[TestCase("This Is A Movie (1999) [IMDB #] <Genre, Genre, Genre> {ACTORS} !DIRECTOR +MORE_SILLY_STUFF_NO_ONE_NEEDS ?", "This Is A Movie")]
 		[TestCase("We Are the Best!.2013.720p.H264.mkv", "We Are the Best!")]
 		[TestCase("(500).Days.Of.Summer.(2009).DTS.1080p.BluRay.x264.NLsubs", "(500) Days Of Summer")]
+		[TestCase("To.Live.and.Die.in.L.A.1985.1080p.BluRay", "To Live and Die in L.A.")]
+		[TestCase("A.I.Artificial.Intelligence.(2001)", "A.I. Artificial Intelligence")]
+		[TestCase("A.Movie.Name.(1998)", "A Movie Name")]
 		public void should_parse_movie_title(string postTitle, string title)
 		{
 			Parser.Parser.ParseMovieTitle(postTitle).MovieTitle.Should().Be(title);

src/NzbDrone.Core/Parser/Parser.cs

@@ -736,15 +736,25 @@ namespace NzbDrone.Core.Parser
 
 			var parts = seriesName.Split('.');
 			seriesName = "";
-			int n;
+			int n = 0;
 			bool previousAcronym = false;
+			string nextPart = "";
 			foreach (var part in parts)
 			{
+				if (parts.Length >= n+2)
+				{
+					nextPart = parts[n+1];
+				}
 				if (part.Length == 1 && part.ToLower() != "a" && !int.TryParse(part, out n))
 				{
 					seriesName += part + ".";
 					previousAcronym = true;
 				}
+				else if (part.ToLower() == "a" && (previousAcronym == true || nextPart.Length == 1))
+				{
+					seriesName += part + ".";
+					previousAcronym = true;
+				}
 				else
 				{
 					if (previousAcronym)
@@ -754,7 +764,7 @@ namespace NzbDrone.Core.Parser
 					}
 					seriesName += part + " ";
 				}
-
+				n++;
 			}
 
 			seriesName = seriesName.Trim(' ');