add parseUnitId (for better parsing of unit ids) -- not yet invoked by parser
add parseUnitId (for better parsing of unit ids) -- not yet invoked by parser

git-svn-id: 9ecf60ce9baff443e30a0472d3fd222fcb8117cf@9344 7b97033b-253e-4a5c-9b07-e25f9089a9fd

KestrelInstitute/Specware,KestrelInstitute/Specware,KestrelInstitute/Specware,KestrelInstitute/Specware,KestrelInstitute/Specware