change in handling missing data.

[Dmitri A. S. <das...@gm...>]

I there any way I can get an old (4.0) behavior with new
gnuplot when plotting data files with missing data?

E.g. consider the file (say "test1.dat")

# -- begin
0 1
1 0
NaN NaN
2 1
1 2
# -- end

In gnuplot 4.0
plot "test1.dat" with line
produces plot with two segments.

With 4.1, first one has to do
set datafile missing "NaN"
(that still would not handle "nan")
but after that
plot "test1.dat" with line
would connect the segments along (1 0) (2 1) line.

I am not to argue wich way is better (though I would prefer
gnuplot to handle IEEE special numbers automatically),
I am just wondering if this behavior (to connect the segments)
is indeed the expected one (not a bug) and if it is indeed so,
is there any variable I can set to get old style behavior?

Sincerely,

Dmitri.
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