palette is strange on X11 terminal on cygwin (gnuplot 4.5 ChangeLog 2010-09-30)

[Tatsuro M. <tma...@ya...>]

Hello

I have found the palette looks strange on X11 terminal on cygwin (gnuplot 4.5 ChangeLog 2010-09-30) 

set pm3d;set palette
splot x*x-y*y

White stripes appear in the palette. 
See the snapshot the below
http://www.geocities.jp/tmgpltwin/Files/Files.html#0043
 0043 palette101001.png, 26,212 bytes, 2010-10-01

On windows and wxt terminal, such phenomena did not occur.

How about the X11 terminal on other platforms ?
Is the issue cygwin specific?

Regards

Tatsuro

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