how to enable php short tags in xampp

[eluser]mehwish[/eluser]
Can anyone tell me how do i enable php shot tags <?=?> in xampp.

Actually i hv tried like I go to xampp->php->php.ini and write "off" in this statement

Code:

short_open_tag = Off

the i restart my xampp server but it is showing error. The again i wrote "on" instaed of "off" and restared server but no use .. plz help me out in getting this solved