message: Table directory docs
diff: @@ -596,8 +596,10 @@ let table_record = fun (file_start : Pos) => {
  let table_directory = fun (file_start : Pos) => {
  /// Version of the font.
  ///
  - /// - `0x00010000` for fonts containing TrueType outlines
  - /// - `0x4F54544F` (`'OTTO'`) for fonts containing CFF data
  + /// | Value | Meaning |
  + /// | ------------- | ----------------------------------------- |
  + /// | `0x00010000` | for fonts containing TrueType outlines |
  + /// | `0x4F54544F` | (`'OTTO'`) for fonts containing CFF data |
  ///
  /// Apple allows 'true' and 'typ1', but this should not be found in OpenType files.
  sfnt_version <- u32be, // TODO: where sfnt_version == 0x00010000 || sfnt_version == 'OTTO',
  