Mark Pizzolato 0bfb902b56 SCP: Enhance hierarchical help prompting ...

- A prompt answer which exactly matches a topic name is given
  preference over the potential ambiguity of other topics which start
  with the same text.
- Prompt with the parent topic's prompt when a just displayed subtopic
  has no subtopics.
- Allow either ^D or ^Z entered to act as EOF.

These changes reflect the behavior of the VMS help system which the
hierarchical help system is modeled on.

2021-08-14 19:43:41 -07:00

636 KiB

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