Update assembly info
Convert non-ASCII ID material to hex
Add logical constraints when building feature system.
Fix bug: not handling phrase structure rule with optionality and disjunction correctly
Add notice for when a feature name is used in more than one way.\nAllow finding collection features from constraints.\nAvoid using ^ in IDs.\nFix bug: did not find embedded cat or lex items.\nFix bug: a comment at the end of a phrase structure line got treated as part of the symbol.\nAllow catValue and lexValue in a featureRef.
Ignore period in constraints; improve constraint conversion
Add more items to <oxygen/> layout
Fix bug: was ignoring inital path portion when adding logical constraint features to the feature system.
Handle [head [type [f1 f2]]] feature template c...
Allow comments in more places in feature templa...
small changes