:- initialization(main). main :- L1=("a"||.), writeq(L1), nl, L2=("a"||...), writeq(L2), nl, L3= ""||'.' , writeq(L3), nl, L4= "a"||'b c', writeq(L4), nl, L5= "a"||"b c" , write_term(stdout,L5,[double_quotes(true)]), nl, L6= "abc"||"def", write_term(stdout,L6,[double_quotes(true)]), nl, L7= ""||"def", write_term(stdout,L7,[double_quotes(true)]), nl, L8= "abc"||"def"||"ghi", write_term(stdout,L8,[double_quotes(true)]), nl, L9= ""||""||""||"", write_term(stdout,L9,[double_quotes(true)]), nl, L10= ""||1.23, write_term(stdout,L10,[double_quotes(true)]), nl, L11= "a"||"b"||1.23, write_term(stdout,L11,[double_quotes(true)]), nl.