anchor.diff:          SemVer = SemVerHelper.parse nugetVersion
           Notes = notes }
   
  -let private nugetRegex = getRegEx @"([0-9]+.)+[0-9]+(-[a-zA-Z]+\d*)?(.[0-9]+)?"
  +let parseVersions =
  +    let nugetRegex = getRegEx @"([0-9]+.)+[0-9]+(-[a-zA-Z]+\d*)?(.[0-9]+)?"
  +    fun line ->
  +        let assemblyVersion = assemblyVersionRegex.Match line
  +        if not assemblyVersion.Success
  +        then failwithf "Unable to parse valid Assembly version from release notes (%s)." line
  +
  +        let nugetVersion = nugetRegex.Match line
  +        if not nugetVersion.Success
  +        then failwithf "Unable to parse valid NuGet version from release notes (%s)." line
  +        assemblyVersion, nugetVersion
   
   /// Parse simple release notes sequence
   let private parseSimpleReleaseNotes line =
  -    let assemblyVersion, nugetVersion = assemblyVersionRegex.Match (line), nugetRegex.Match (line)
  -    if not assemblyVersion.Success
  -    then failwith "Unable to parse valid Assembly version from release notes."
  +    let assemblyVersion, nugetVersion = parseVersions line
       let trimDot (s:string) = s.TrimEnd('.')
  +
       let notes = 
           line.Substring (nugetVersion.Index + nugetVersion.Length)
           |> trimChars [|' '; '-'|]
  
positive.code: 
      let rec loop releaseNotes text =
          match findNextNotesBlock text with
          | Some(header,(notes, rest)) ->        
              let assemblyVer, nugetVer = assemblyVersionRegex.Match header, nugetRegex.Match header
              if not assemblyVer.Success then failwith "Unable to parse valid Assembly version from release notes."
              let newReleaseNotes = ReleaseNotes.New(assemblyVer.Value,nugetVer.Value,notes |> List.filter isNotNullOrEmpty |> List.rev)
              loop (newReleaseNotes::releaseNotes) rest
          | None -> releaseNotes
  
negative.code:         |> List.map (trimDot >> trim)
          |> List.filter isNotNullOrEmpty
          |> List.map (fun x -> x + ".")
      ReleaseNotes.New(assemblyVersion.Value, nugetVersion.Value,notes)
  
  /// Parse "complex" release notes text sequence
  let private parseAllComplexReleaseNotes (text: seq<string>) =
  