a number of Subjects files to prevent name
conflicts where the only the case is difference.
Attack -> Attacking
Moving -> Transportation
Move -> Moving
Market -> Commerce
Nation -> Nations
Production -> Producing
Update -> Updating
silently (troff) or under protest (groff); table column width (also
fixed some .L arguments to match actual game output); spacing in
no-fill text; stray .FI, .in and .ce messing up indentation; stray .L;
misspelled request and escape names; escaping of control and escape
characters; properly ignore form-feed; argument quoting; extra
arguments to .NF. Still broken: .L abused for headings, which
triggers many groff warnings about negative indentation.
