StringTemplate st = new StringTemplate("<chars; wrap>", AngleBracketTemplateLexer.class); st.setAttribute("chars", "a,b,c,d,e,f,g,h,i,j,k"); System.out.println(st.toString(5)); ouput is "a,b,c,d,e,f,g,h,i,j,k". why "warp" does not work?