harfbuzz-2.7.3

[Bruce Dubbs]

New point version.

[Bruce Dubbs]

Overview of changes leading to 2.7.3 - Wednesday, December 23, 2020

• Update USE shaper to 2020-08-13 specification, and other improvements.
• Don’t disable liga feature in myanmar shaper, to match Uniscribe.
• Improvements to language and script tags handling.
• Update language system tag registry to OpenType 1.8.4
• Support for serializing and deserializing Unicode buffers. Serialized buffers are now delimited with <> or [] based on whether it is a Unicode or glyphs buffer.
• Increase buffer work limits to handle fonts with many complex lookups.
• Handle more shaping operations in trace output.
• Memory access fixes.
• More OOM fixes.
• Improved documentation.
• Build system improvements.
• New API:

  +hb_buffer_has_positions()
  +hb_buffer_serialize()
  +hb_buffer_serialize_unicode()
  +hb_buffer_deserialize_unicode()
  

[Bruce Dubbs]

Fixed at revision 24027.