ific symbol in your 
`<font color="#82140F"><code>draw symbols</code></font>' command; thus `<font color="#82140F"><code>draw symbol 0</code></font>' puts a `<font color="#82140F"><code>+</code></font>'
at the data points whether or not you've read in a symbol column.
<p>
<h3>5.2.2: Drawing a symbol legend</h3>

The following example shows how you might write a symbol legend for a
plot.  The legend is drawn 1 cm to the right of the right-hand side of
the axes, with the bottom of the legend one quarter of th