use void return type to eliminate unused RETVAL's when using PPCODE
Typo
Fix badly misleading variable name: t+
Fixes to diagnostics.
Testing Leo logic for unit rules.
Add file to indicate "safe" branch
Clean up top level
New test of unit rules with Leo logic
New test of unit rules with Leo logic
Touch up diagnostic
Reorganize libmarpa debugging
Minor touch-ups to libmarpa Leo unit rule logic: t+
Merge branch 'master' into safe
Clean up file
Merge pull request #70 from rns/fix_RETVAL_unused

use void return type to eliminate unused RETVAL's when using PPCODE