A water-developable, radiation-sensitive composition comprising(a) a polymer containing a recurring unit with the structure ##STR9## wherein G is a 5-membered ring containing a quaternized nitrogen; each R independently represents --H or --CH3 ; A is alkylene; oxyalkylene; ##STR10## --COO(CH2)a OOCCH2 --; or --CONH(CH2)b HNOCCH2 --; D is alkylene; oxyalkylene; --CH2 COOCH2 CH2 OOC--; --CH2 CONH(CH