anchor.diff:  , doxygen
   , fetchurl
   , graphviz
  +, lib
   , libxslt
   , xmlto
   
  
positive.code:     };
    };
  
    meta = with stdenv.lib; {
      description = "Reference implementation of the wayland protocol";
      homepage = https://wayland.freedesktop.org/;
      license = licenses.mit;
  
negative.code: }:
  
  let
    inherit (lib)
      boolEn
      optionals;
  
  