{* *! version 1.0.4  11may2007}{...}
    {cmd:replay()}
{p2colset 8 22 26 2}{...}
{p2col: Range:}integers 0 and 1, meaning {it:false} and {it:true},
                 respectively{p_end}
{p2col: Description:}returns {cmd:1} if the first nonblank character of local
	   macro {cmd:`0'} is a comma, or if {cmd:`0'} is empty.  This is a
	   function for use by programmers writing estimation commands; see
	   {manhelp ereturn P}.{p_end}
{p2colreset}{...}
