spaced out commands in the README

README

@@ -6,9 +6,11 @@ plots from data coming in on STDIN or given in a filename passed on the
 commandline. Various data representations are supported, as is hardcopy
 output and streaming display of live data. A simple example:
 
+
 seq 5 | awk '{print 2*$1, $1*$1}' |
 feedGnuplot.pl --lines --points --legend "data 0" --title "Test plot" --y2 1
 
+
 You should see a plot with two curves (one on the y1 axis and the other on
 the y2 axis), a legend and a title. The first line of the example generates
 some data to plot and the second reads it in from STDIN and generates the
@@ -20,9 +22,11 @@ By default, the line number of the incoming data is used for the x-axis. To
 plot an x-y dataset, feed in the x values as the first element in every line
 and pass in --domain. With the previous example:
 
+
 seq 5 | awk '{print 2*$1, $1*$1}' |
 feedGnuplot.pl --domain --lines --points --legend "data 0" --title "Test plot" --y2 1
 
+
 we get only one curve, with different x values. As many points as desired
 can appear on a single line, but all points on a line are associated with
 the X value that starts that line.
@@ -32,9 +36,11 @@ plotted, this is undesireable. With the --dataindex option, each point in
 the input is preceded by an integer identifying the curve the point belongs
 to. With the previous example:
 
+
 seq 5 | awk '{print 2*$1, $1*$1}' |
 feedGnuplot.pl --dataindex --lines --points --legend "data 0" --title "Test plot" --y2 1
 
+
 we get 5 different curves with one point in each. The first column, as
 produced by awk, is '2,4,6,8,10'. These are interpreted as the indices of
 the curves to be plotted. The feedGnuplot.pl script created 11 different