{"action":"created","comment":{"url":"https://api.github.com/repos/dotnet/roslyn/pulls/comments/52947743","id":52947743,"diff_hunk":"@@ -34,12 +38,31 @@ public IList<string> FindSimilarWords(string value)\n \n         internal void WriteTo(ObjectWriter writer)\n         {\n+            writer.WriteString(SerializationFormat);\n+            Version.WriteTo(writer);\n             _bkTree.WriteTo(writer);\n         }\n \n         internal static SpellChecker ReadFrom(ObjectReader reader)\n         {\n-            return new SpellChecker(BKTree.ReadFrom(reader));\n+            try\n+            {\n+                var formatVersion = reader.ReadString();\n+                if (string.Equals(formatVersion, SerializationFormat, StringComparison.Ordinal))\n+                {\n+                    var version = VersionStamp.ReadFrom(reader);\n+                    var bkTree = BKTree.ReadFrom(reader);\n+                    if (bkTree != null)\n+                    {\n+                        return new SpellChecker(version, bkTree);\n+                    }\n+                }\n+            }\n+            catch","path":"src/Workspaces/Core/Portable/Utilities/SpellChecker.cs","position":54,"original_position":54,"commit_id":"dafd7ce32abcac7559cf427b84ce696b7442198c","original_commit_id":"dafd7ce32abcac7559cf427b84ce696b7442198c","user":{"login":"Pilchie","id":312835,"avatar_url":"https://avatars.githubusercontent.com/u/312835?v=3","gravatar_id":"","url":"https://api.github.com/users/Pilchie","html_url":"https://github.com/Pilchie","followers_url":"https://api.github.com/users/Pilchie/followers","following_url":"https://api.github.com/users/Pilchie/following{/other_user}","gists_url":"https://api.github.com/users/Pilchie/gists{/gist_id}","starred_url":"https://api.github.com/users/Pilchie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Pilchie/subscriptions","organizations_url":"https://api.github.com/users/Pilchie/orgs","repos_url":"https://api.github.com/users/Pilchie/repos","events_url":"https://api.github.com/users/Pilchie/events{/privacy}","received_events_url":"https://api.github.com/users/Pilchie/received_events","type":"User","site_admin":false},"body":"And here?","created_at":"2016-02-15T22:01:43Z","updated_at":"2016-02-15T22:01:43Z","html_url":"https://github.com/dotnet/roslyn/pull/8675#discussion_r52947743","pull_request_url":"https://api.github.com/repos/dotnet/roslyn/pulls/8675","_links":{"self":{"href":"https://api.github.com/repos/dotnet/roslyn/pulls/comments/52947743"},"html":{"href":"https://github.com/dotnet/roslyn/pull/8675#discussion_r52947743"},"pull_request":{"href":"https://api.github.com/repos/dotnet/roslyn/pulls/8675"}}},"pull_request":{"url":"https://api.github.com/repos/dotnet/roslyn/pulls/8675","id":59276404,"html_url":"https://github.com/dotnet/roslyn/pull/8675","diff_url":"https://github.com/dotnet/roslyn/pull/8675.diff","patch_url":"https://github.com/dotnet/roslyn/pull/8675.patch","issue_url":"https://api.github.com/repos/dotnet/roslyn/issues/8675","number":8675,"state":"open","locked":false,"title":" Asynchronously produce the SpellChecker used for fuzzy 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features that don't need the SpellChecker.\r\nat the same time, because we're asynchronously producing it, once it is\r\nready, features that want it but don't want to block on it being produced\r\n(like add-using) can light up.\r\n\r\nI recommend reading this with ```?w=1``` as there are indentation changes that GitHub isn't good at 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