[metapost] Command "show" on a non-empty "path" makes mpost(1) return with error code 1

[luigi scarso]

On Thu, Dec 4, 2014 at 8:22 AM, Akira Kakuto <kakuto at fuk.kindai.ac.jp>
wrote:

> Hi,
>
>  I think it's a bug.
>>
>
> That is not a bug and is intentional:
>
> If
> show sometning;
> is meaningful, the function
> mp_begin_diagnostic() is called and
> history (exit value) is set to 1.
>
1) The use of history in mpost is similar to metafont;
2) exit(history) is there at least from 1.1;
3) metafont exits with 0 in both cases;

I have to see the pre-C version of metapost --- but we could decide to
accept a different behavior as well.






-- 
luigi
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