[Gmsh] "-format mesh" ignored?

[Geordie McBain]

Hello.  In answering M. Sitionon's query, I noticed that my usual
techniques for selecting Medit INRIA's ".mesh" output format from the
command line weren't working anymore, viz. "-format mesh" or even
"-string 'Mesh.Format=30;'".  Either resulted in what might be the
.unv format (though I'm not too sure).  I can still get the .mesh
format through the GUI.

This is using a Gmsh from a very recent "svn update" compiled on
64-bit Linux Mint 9.