Comments

# a whole-line comment
MAIN {
    let 'a' := 1;          # trailing: from here to the end of the line
    let 'b' := 2; #wl this whole line is a comment, including the code before the #
    #3l these three lines
    let 'c' := 3;
    let 'd' := 4;
    let 'e' := 5; #2ld this line and two more down
    let 'f' := 6;
    let 'g' := 7;
    std::print.useful['a', " ", 'e', newln];
}