anchor.diff:      
       let replacements = 
           [ "@build.number@", parameters.Version
  +          "@title@", parameters.Title
             "@authors@", parameters.Authors |> separated ", "
             "@project@", parameters.Project
             "@summary@", parameters.Summary
  
positive.code:           else "0.1.0.0"
        Authors = []
        Project = ""
        Summary = null
        ProjectFile = null
        Description = null
  
negative.code:       Version : string
        Authors : string list
        Project : string
        Title : string
        Summary : string
        Description : string
        Tags : string
  