Lump contiguous filler into a single token to make lookahead/behind easier.
Lump contiguous filler into a single token to make lookahead/behind easier.

git-svn-id: https://svn.sable.mcgill.ca/mclab/Project@481 89b902b4-d83f-0410-b942-89f7a419ffdb

Migrated from Sable/mclab@e494ba96a04595b791b66e9763c75f001192dadf

Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core