ERG 2023

Highlights:

Improved overall syntactic coverage on Redwoods profiles to 93.77% on 100K items
Improved parse selection by about 1% using new redwoods.mem model.
Improved overall parsing efficiency by about 20%.

• 2021-12-14 - Added files for Singlish dialect, authored by Siew Yeng Chow based
  on her Master's thesis at NTU.
• 2022-07 - Incorporated changes to enable chart-mapping in LKB-FOS, thanks to
  John Carroll.
• 2022-10 - Adopted Emerson-Turing construction types for appending SLASH, with
  thanks to Guy Emerson and John Carroll.
• 2022-11 - Improved Version.lsp, METADATA, and grammar-loading files for better
  interface with LTDB, thanks to Francis Bond.