* Added new 'finfo' infrastructure to manage ancestorfile manipulations
* Eliminated growth of useless canvas elements in the DiffMap
* Renamed global 'map' to 'w(mapImg)' to unconfuse cmd/var naming
* Naming a line-comparison font pref affects entire window, not just diffs
- inclds more definitive Help data of line-comparison pref attributes
* Re-engineered CONFLICT file error handling as relates to finfo
* Error msg provided involving CVS refusing access to a conflicted WC file
* Repaired a premature firing of a validation proc in newDiff dialog
