I am using gnuplot 4.2.4, PNG terminal, compiled from source on Ubuntu
Linux 9.04 Jaunty. In version 4.2.4, the margin computation was
changed to allow margins to be specified as a fraction of the screen
size. This seems to have introduced a bug causing additional width to
be allocated between the left edge of the image and the y-axis (also
between the y2-axis and the right edge of the...
2009-06-16 14:45:40 UTC in gnuplot development