make gnuplot.pdf fails at Commit [a14bd8]
`$ make gnuplot.pdf
./doc2tex -figures ../../docs/gnuplot.doc figures.tex
GNUPLOT_LIB=../../demo ../src/gnuplot ../../docs/plotstyles.gnu
vfill from + :
voxel cube defined by radius 0.9: 4 x 4 x 1
number of points input: 55
number of voxels modified: 5886
"../../docs/plotstyles.gnu" line 738: attempt to draw undefined radial axis
Makefile:1032: recipe for target 'pdf_figures' failed
make: *** [pdf_figures] Error 1
`
I have confirmed the fix. Thanks!