error plotting "single" values

[John W. Eaton]

On 12-Mar-2009, Francesco Potorti` wrote:

| octave> plot(single(1:2))
| error: invalid value for array property "ydata"
| error: set: expecting argument 4 to be a property name
| error: set: expecting argument 6 to be a property name
| error: set: expecting argument 8 to be a property name
| error: set: expecting argument 10 to be a property name
| error: called from:
| error:   /usr/share/octave/3.1.54/m/plot/__line__.m at line 65, column 5
| error:   /usr/share/octave/3.1.54/m/plot/line.m at line 38, column 5
| error:   /usr/share/octave/3.1.54/m/plot/__plt2vv__.m at line 72, column 12
| error:   /usr/share/octave/3.1.54/m/plot/__plt2__.m at line 68, column 14
| error:   /usr/share/octave/3.1.54/m/plot/__plt1__.m at line 61, column 10
| error:   /usr/share/octave/3.1.54/m/plot/__plt__.m at line 83, column 10
| error:   /usr/share/octave/3.1.54/m/plot/plot.m at line 184, column 5
|          line 0: undefined variable: size

The following change seems to fix this problem for me, so I checked it
in.

  http://hg.savannah.gnu.org/hgweb/octave/rev/86ae7e50dc5d

Thanks,

jwe