mat2str uses depreciated is_complex

[John W. Eaton]

On 21-May-2008, Kim Hansen wrote:

| On Tue, May 20, 2008 at 1:39 PM, Kim Hansen <kimhanse at gmail.com> wrote:
| > On Tue, May 20, 2008 at 11:08 AM, Richard Bovey
| > <Richard.Bovey at baesystems.com> wrote:
| >>
| >> In octave 3.0.1 mat2str.m uses the depreciated is_complex.m function.
| >>
| >
| > I fixed that and added a few tests and also found some bugs when the
| > tests failed.
| >
| > 2008-05-20  Kim Hansen  <kimhanse at gmail.com>
| >
| >        * strings/mat2str.m: Change is_complex to iscomplex, add
| > tests, add missing ;
| 
| The same change as sent earlier, now with "hg export" changeset attached.

I applied this change.

Thanks,

jwe