using the php function nl2br().
<BODY>
<?
if($SUBMIT)
{
echo nl2br($TEXT);
}
?>
<FORM METHOD="POST" ACTION="<? echo $SCRIPT_SELF; ?>">
<TEXTAREA COLS=50 ROWS=10 NAME="TEXT" WRAP="HARD">
</TEXTAREA>
<INPUT TYPE="SUBMIT" NAME="SUBMIT" VALUE="Test">
</FORM>
</BODY>