a=" .a. "b=" .b.
  show "; words in line=" ..words_in_dataline..
  .num. += 1
end while
show "Got " .num. "data lines."
</font></PRE>
</TD>
</TR>
</TABLE>
<p>

<li> `<font color="#82140F"><code>..fontsize..</code></font>'
<!-- latex: \index{@code{..fontsize..}, size of letters} -->
Size of letters, measured in points; there are 72.27 points in an inch
and 28.45 points in a centimetre.  The mathematical operators
`<font color="#82140F"><code>pttocm</code></font>' and `<font color="#82140F"><code>cmtopt</code