anchor.diff:  The `Omitted` token is generated if you use the special `(*[omit:...]*)` command.
   The `Output` token is generated if you use the `// [fsi:...]` command to format
   output returned by F# interactive. The `Error` command wraps code that should be 
  -underlined with red squiggle if the code contains an error.
  +underlined with a red squiggle if the code contains an error.
   
   Generating HTML output
   ----------------------
   
  -Finally, the `CodeFormat` type also includes method `FormatHtml` that can be used
  -to generate nice HTML output from an F# snippet. This is used, for example on 
  +Finally, the `CodeFormat` type also includes a method `FormatHtml` that can be used
  +to generate nice HTML output from an F# snippet. This is used, for example, on 
   [F# Snippets](http://www.fssnip.net). The following example shows how to call it:
   *)
   
  
positive.code: printfn "%s" html.ToolTip
  
  (**
  If the input contains multiple snippets spearated using the `//[snippet:...]` comment, e.g.:
  *)
  
  (**
  
negative.code: 
  (**
  
  Starting a background agent
  ---------------------------
  
  The `FSharp.CodeFormat` namespace contains `CodeFormat` type which is the
  entry point. The static method `CreateAgent` starts a background worker that
  