[Maxima] integrate: is this question a bug?

[Stavros Macrakis]

> > (%i1) myint: integrate( exp( sqrt(x) ), x, 1, 5);
> > Is  yx  positive or negative?

It is definitely a bug when Maxima asks questions about variables the
user doesn't know anything about!  I think this one has already been
reported.

         -s