[Cuis-dev] Fix for nil cursor

[ken.dickey at whidbey.com]

On 2019-09-18 17:31, Phil B wrote:
..
> How about we do the attached instead to try to eliminate all cases of 
> nil being returned? ...

Perhaps more simple to do directly:

Cursor>>
cursorAt: cursorKey

   ^(CursorDict at: cursorKey
          ifAbsent: [ self defaultCursor ])

$0.02,
-KenD
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