Joel E. Denny 4d7b57b527 tests: use perl for printing special sequences to files. ...

And skip tests if perl is not available.  This is better than
playing tricks with shell portability.  Suggested by Akim
Demaille.
* tests/input.at (Bad escapes in literals): Use it here for special
characters.
(cherry picked from commit b70c7fb4e1)

Conflicts:

	tests/input.at

2009-08-27 03:59:06 -04:00

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