Ideas for Google Summer of Code/Closer integration with HFST

Tasks

• Create a new XML-based format for lexc inspired by lttoolbox (see Development ideas for dictionary format)
• Add a compiler for this format, with support for direction restrictions.
• Fix this bug in hfst-proc tokenisation.
• Modify the HFST build process to make a "minimal" Apertium-centred install.
• Add lttoolbox as a backend to HFST.
• Make hfst-expand obey flag diacritics.

Coding challenge

• Install Apertium and HFST
• Install a language pair which uses both Apertium and HFST.