anchor.diff:  %%       copy fields of type `bytes'. See the `copy_bytes' option
   %%       for the function {@link file/2} for more info.</dd>
   %%   <dt>`-strbin'</dt>
  -%%   <dd>Specify that decoded strings should be returend as binaries,
  +%%   <dd>Specify that decoded strings should be returned as binaries,
   %%       instead of as strings (lists).</dd>
   %%   <dt>`-pldefs'</dt>
   %%   <dd>Specify that introspection functions shall return proplists
  
positive.code: %%       records. No .hrl file will be generated. See the `maps' option
  %%       for the function {@link file/2} for more info.</dd>
  %%   <dt>`-maps_unset_optional omitted | present_undefined'</dt>
  %%   <dd>Specifies the interal format for optional fields that are unset.</dd>
  %%   <dt>`-Werror', `-W1', `-W0', `-W', `-Wall'</dt>
  %%   <dd>`-Werror' means treat warnings as errors<br></br>
  %%       `-W1' enables warnings, `-W0' disables warnings.<br></br>
  
negative.code: %%       useful when including different sub-projects that have
  %%       colliding proto file names.</dd>
  %%   <dt>`-msgsuffix Suffix'</dt>
  %%   <dd>Suffix each message name with `Suffix'.</dd>
  %%   <dt>`-modsuffix Suffix'</dt>
  %%   <dd>Suffix each module name with `Suffix'.</dd>
  %%   <dt>`-il'</dt>
  %%   <dd>Generate code that include gpb.hrl using `-include_lib'
  %%       instead of `-include', which is the default.</dd>
  %%   <dt>`-type'</dt>
  %%   <dd>Enables `::Type()' annotations in the generated .hrl file.</dd>
  %%   <dt>`-descr'</dt>
  