aliases:
  space=          @"0020;
  ethchar=        @"1200-@"135f;
  ethspace=       @"1360;
  ethpunctuation= @"1361-@"1368;
  ethnum=         @"1369-@"137c;

expressions:
  {space} {ethpunctuation} => <= \$;
  {ethpunctuation} {space} => <= \1;
  {ethpunctuation} => "\nobreak\ethglue{}" \1 "\allowbreak\ethglue{}";