Function bar bugs

[Ismael Núñez-Riboni]

Hallo, I have noticed 2 bugs for the function bar:

1) The third argument should be the width of the x-classes but it does 
nothing, i.e.,

bar(x,y)

is the same than

bar(x,y,0.5) or bar(x,y,1e4), etc

in all the cases I guess that the width is alwas the default, i.e., 0.8.

2) Under graphics_toolkit fltk the function yields no plot.

The data I used is attached and here is the output of "ver":

octave:321> ver
----------------------------------------------------------------------
GNU Octave Version 3.4.3
GNU Octave License: GNU General Public License
Operating System: Linux 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 
14:50:42 UTC 2011 i686
----------------------------------------------------------------------
Package Name   | Version | Installation directory
---------------+---------+-----------------------
      control *|   2.2.4 | /home/ismael/octave/control-2.2.4
miscellaneous *|  1.0.11 | /home/ismael/octave/miscellaneous-1.0.11
       octcdf *|   1.1.2 | /home/ismael/octave/octcdf-1.1.2
        optim *|  1.0.17 | /home/ismael/octave/optim-1.0.17
       signal *|   1.1.2 | /home/ismael/octave/signal-1.1.2
      specfun *|   1.1.0 | /home/ismael/octave/specfun-1.1.0
   statistics *|   1.1.0 | /home/ismael/octave/statistics-1.1.0
       struct *|   1.0.9 | /home/ismael/octave/struct-1.0.9


Cheers, Ismael.

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