{* *! version 1.0.1  16mar2007}{...}
    {cmd:upper(}{it:s}{cmd:)}
{p2colset 8 22 26 2}{...}
{p2col: Domain:}strings{p_end}
{p2col: Range:}strings with uppercased characters{p_end}
{p2col: Description:}returns the uppercased variant of {it:s}.
                    {cmd:upper("this")} = {cmd:"THIS"}{p_end}
{p2colreset}{...}
