anchor.diff:  
   (**
   How to use GFF3Writer
  -=====================
  +---------------------
   
   
   *)
  
positive.code: 
  
  (**
  <a name="GFF3"></a>
  Introducing GFF3Parser
  ======================
  
  The GFF3Parser is a tool to validate, read and write **GFF3** _(Generic Feature Format Version 3)_-Files.
  
  
negative.code: For further information visit [GFF3-Specifications](https://github.com/The-Sequence-Ontology/Specifications/blob/master/gff3.md).
  
  How to use GFF3Parser
  ---------------------
  
  To read in a gff you have to insert a filepath and optional a FastA converter. For further information about FastA visit [API Reference - FastA](https://csbiology.github.io/BioFSharp/reference/biofsharp-io-fasta.html).
  *)
  
  open BioFSharp.IO
  