[Cuis-dev] Minor changes to usefulExpressionsContents

[Ezequiel Birman]

Namely:

   1. “Cursor wait” changed to: “Cursor waitCursor”
   2. “(String streamContents: [ :strm | SpaceTally new printSpaceAnalysis:
   1 on: strm ]) edit.” changed to: “(SpaceTally new spaceForInstancesOf:
   String) asString edit.”
   3. Keep the two-line separation consistent.

Change (2) could be just “SpaceTally new spaceForInstancesOf: String.”
unless we really want to show that one can open the result in an editor
window.

-- 
Eze
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