Log Message:
gnuplot: updated to 6.0.1

Changes in 6.0.1

CHANGE Use of data source '-' inside a multiplot is an error; use a local \ 
datablock instead
CHANGE gd: scale "dot" (pointtype 0) by current linewidth Bug 2690
FIX configure script modified to accommodate Fedora dependencies Bug 2706
FIX mp: configure --with-metapost failed to include mp terminal
FIX empty field in csv file should not generate a tic label Bug 2667 2672
FIX Do not autoscale or extend axis ranges while zooming Bug 2679 2680
FIX svg: set default fill properties for depth-sorted pm3d objects
FIX x11: Empirical correction for bad rotation of enhanced text Bug 2661
FIX wxt: Add exception handler for mouse event processing Bug 2680 2683
FIX wxt: make right-mouse zoom box independent of terminal scaling Bug 2578
FIX regression: border color of objects with fillstyle "empty" Bug 2686
FIX "set colorbox border {<lt>}" parsing error
FIX gd x11: very short arrows were not drawn at all Bug 2690
FIX qt wxt x11: "set term" from a script causes next pause to fail Bug 2703
FIX tikz: fix use of palettes with a fixed number of colors Bug 2706
FIX "stats ... name FOO" Do not delete existing variables FOO_* Bug 2695
FIX order-dependent parsing of 2D plots with "fs solid fc variable"

http://gnuplot.info/docs_6.0/NewFeatures.html