anchor.diff:          0 -> Seen;
           _ -> referenced_pegs1(sets:to_list(New), Config,
                                 sets:union(New, Seen))
  -    end.+    end.
  
positive.code: 
  default(doc_root) -> "src";
  default(out_dir) -> "src";
  default(module_ext) -> "".
  
  compile_neo(Source, Target, Config) ->
    case code:which(neotoma) of
  
negative.code: %%          "src" by defualt
  %% module_ext: characters to append to the module's name.
  %%             "" by default
  %% source_ext: extension of peg source files
  -module(rebar_neotoma_compiler).
  
  -export([compile/2]).
  