3.2.4 call for patches

[John W. Eaton]

On 20-Nov-2009, Jaroslav Hajek wrote:

| I've spent essentially no time on 3.2.x maintenance last couple of months,
| and it seems that the sources have again significantly diverged, but I feel
| like producing one more 3.2.x release before closing the branch and focusing
| on 3.4.0.
| If you have any patches that you'd like to have applied to 3.2.x, please let
| me know. However, I'm not willing to invest nontrivial amounts of time into
| the individual transplants, so unless a patch is smoothly applicable and
| conforms to the binary compatibility policy, someone needs to convert it or
| the bug will stay unfixed in 3.2.x.

The following patch to allow error to be called with no argument or an
empty argument should also be OK.  It doesn't seem to have caused any
problems.

  http://hg.savannah.gnu.org/hgweb/octave/rev/ef45d191d833

jwe