remove lower scan line from spark default

Unlike other spark implementations, an additional -lowest- character U+23BD
was added accidentally, which fits perfectly in Unifont, but may be very
unreliable in other fonts.

diff --git a/barcat b/barcat
index 9e4d0ae0feaf3de2ba64284b3f014f108b38a35b..1b7cd219353c6f20e29da615c55bd3afd74888c6 100755 (executable)
--- a/barcat
+++ b/barcat
@@ -47,7 +47,7 @@ GetOptions(\%opt,
                $opt{'graph-format'} = substr $_[1], 0, 1;
        },
        'spark:s' => sub {
-               $opt{spark} = [split //, $_[1] || '������▂▃▄▅▆▇█'];
+               $opt{spark} = [split //, $_[1] || '▁▂▃▄▅▆▇█'];
        },
        'stat|s!',
        'signal-stat=s',