anchor.diff:  let rec private commandIndex (check : bool) (args : string list) =
       match args with
       | [] -> Command.Error MainCommand.Index
  -    | TokenOption TokenOption.Test :: tail -> tail |> commandIndex true
  +    | TokenOption TokenOption.Check :: tail -> tail |> commandIndex true
       | Params filters -> Command.IndexRepositories { Filters = set filters; Check = check }
       | _ -> Command.Error MainCommand.Index
   
  
positive.code:     | UnusedProjects
      | Packages
      | Test
      | Full
      | Inc
      | Ref
  
negative.code:         [MainCommand.View; MainCommand.Test], "test [--exclude <category>]* <viewId-wildcard>+ : test assemblies (match repository/project)"
          [MainCommand.View; MainCommand.Graph], "graph [--all] <viewId> : graph view content (project, packages, assemblies)"
          [MainCommand.Workspace; MainCommand.Exec], "exec [--all] <cmd> : execute command for each repository (variables: FB_NAME, FB_PATH, FB_URL, FB_WKS)"
          [MainCommand.Workspace; MainCommand.Index], "index [--check] <repoId-wildcard>+ : index repositories"
          [MainCommand.Workspace; MainCommand.Convert], "convert <repoId-wildcard> : convert projects in repositories"
          [MainCommand.Workspace; MainCommand.Pull], "pull [--src|--bin] [--nomt] [--rebase] [--view <viewId>]: update sources & binaries - rebase if requested (ff is default)"
          [MainCommand.Workspace; MainCommand.Tag], "tag [--full|--inc] <buildNumber> : tag workspace with provided build number"
  