Use Append(char) for single-charcter append.

Author: sharpjs

DependencyQueue/DependencyQueueEntry.cs

@@ -237,10 +237,10 @@ var length
 
             return new StringBuilder(length)
                 .Append(Name)
-                .Append(ChunkA).AppendJoined(_entry.Provides)
-                .Append(ChunkB).AppendJoined(_entry.Requires)
-                .Append(ChunkC).Append(value)
-                .Append(ChunkD).ToString();
+                .Append(ChunkA   ).AppendJoined(_entry.Provides)
+                .Append(ChunkB   ).AppendJoined(_entry.Requires)
+                .Append(ChunkC   ).Append(value)
+                .Append(ChunkD[0]).ToString();
         }
     }
 }

DependencyQueue/DependencyQueueTopic.cs

@@ -142,9 +142,9 @@ var length
 
             return new StringBuilder(length)
                 .Append(Name)
-                .Append(ChunkA).AppendJoined(providedBy)
-                .Append(ChunkB).AppendJoined(requiredBy)
-                .Append(ChunkC).ToString();
+                .Append(ChunkA   ).AppendJoined(providedBy)
+                .Append(ChunkB   ).AppendJoined(requiredBy)
+                .Append(ChunkC[0]).ToString();
         }
     }
 }