[changeset] - improve clf() compatibility

[David Bateman]

John W. Eaton wrote:
> * The refreshdata demo does not seem to be working correctly for me.
>   I'm seeing
> 
>     octave:1> demo refreshdata
>     refreshdata example 1:
>      x = 0:0.1:10;
>      y = sin (x);
>      plot (x, y, "ydatasource", "y");
>      for i = 1 : 100
>        pause(0.1)
>        y = sin (x + 0.1 * i);
>        refreshdata();
>      endfor
> 
>     refreshdata example 1: failed
>     `y' undefined near line 0 column 1octave:2> 


Strange, run from the command line as

x=0:0.1:10;y=sin(x); plot(x,y,"ydatasource","y"); for i = 1:100, 
pause(0.1); y = sin(x + 0.1*x); refreshdata(); endfor

it works fine.. Not sure yet what is going on here.

D.
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David Bateman                                dbateman at dbateman.org
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