GitLab

Detail:
  Doesn't include the faking of post-rectangle filters if not building
    for 26 bit systems any more.
  Assumes that the Wimp doesn't care what the flags are on exit from
    a filter.
Admin:
  Built.

Version 0.23. Tagged as 'Filter-0_23'

Version 0.22. Tagged as 'Filter-0_22'

Changed to use srccommit.
Ancient [ Version < x conditionals removed.

Version 0.21. Tagged as 'Filter-0_21'

Folded in changes from separate version 0.18 on the Ursula branch, re-inserting the standalone build capability and the bug-fix for de-registering PostIcon filters.