{* *! version 1.0.1  16mar2007}{...}
    {cmd:char(}{it:n}{cmd:)}
{p2colset 8 22 26 2}{...}
{p2col: Domain:}integers 1 to 255{p_end}
{p2col: Range:}ASCII characters{p_end}
{p2col: Description:}returns the character corresponding
	to ASCII code {it:n}.{p_end}
{p2col: }returns {cmd:""} if {it:n} is not in the domain.{p_end}
{p2colreset}{...}
