anchor.diff:  %%   <dt>`-il'</dt>
   %%   <dd>Generate code that include gpb.hrl using `-include_lib'
   %%       instad of `-include', which is the default.</dd>
  +%%   <dt>`-type'</dt>
  +%%   <dd>Enables `::Type()' annotations in the generated .hrl file.</dd>
   %%   <dt>`--help' or `-h'</dt>
   %%   <dd>Show help.</dd>
   %%   <dt>`--version' or `-V'</dt>
  
positive.code:       "    -il~n"
        "          Generate code that includes gpb.hrl using -include_lib~n"
        "          instad of -include, which is the default.~n"
        "    --help  -h~n"
        "          Show help~n"
        "    --version  -V~n"
  
negative.code:                                     end;
  parse_opt({"strbin", []})        -> {true, strings_as_binaries};
  parse_opt({"il", []})            -> {true, include_as_lib};
  parse_opt({"type", []})          -> {true, type_specs};
  parse_opt({"h", _})              -> {true, help};
  parse_opt({"-help", _})          -> {true, help};
  parse_opt({"V", _})              -> {true, version};
  