cvs: log cb broken

[Petr M. <mi...@ph...>]

There is a difference between gnuplot 4.2.2 and cvs; 4.2.2 works OK for log 
cb axis, while cvs gives this error:

  "bug_logcb.gp", line 4: color axis has cb coord of -10; must be above 0 
  for log scale!

What has broken in cvs?


Script:

plot 'matrix.dat' matrix with image

set log cb
replot

File matrix.dat:
2 4 6 8
1 2 3 4
0 1 2 3
-2 -1 1 2
-4 -3 -2 -1
-6 -5 -4 -3

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PM