The following code MUST be run from the command line in order to produce the error.
// { if A == A { //echo -a Yes } else { //echo -a No } }
This will correctly echo "Yes", however you'll also get a "ELSE Unknown command".
Also, the following code produces no output, though one would expect it to. Though, it also doesn't give an error message.
// { if G == A { //echo -a Yes } else { //echo -a No } }
Edit: Damn tags