Akim Demaille 4b802d6417 bistromathic: beware of portability issues with readline ...

In some cases readline emits a trailing spaces after the last
suggestion, which results in errors such as:

```
-(       -       atan    cos     exp     ln      number  sin     sqrt$
+(       -       atan    cos     exp     ln      number  sin     sqrt    $
```

Reported by Christopher Nielsen <mascguy@github.com>.
<https://trac.macports.org/ticket/59927#comment:48>
<https://trac.macports.org/attachment/ticket/59927/bison-3.7.6-test-10.13.test-suite.log>

* examples/test (run): Add support for -t.
* examples/c/bistromathic/bistromathic.test: Use it.

2021-08-08 08:08:04 +02:00

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