tests/test-basic.out

bash_completion: be more careful about whitespaces

- use awk to parse the output of hg help.
- print one completion candidate per line
- print the debug commands after regular commands
  (this eases the shell side of the parsing)
- don't print aliases that are simple abbreviations
  (e.g. up/update, id/identify)

changeset:   0:acb14030fe0a
tag:         tip
user:        test
date:        Thu Jan  1 00:00:00 1970 +0000
summary:     test

b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 644 a
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