It seems that echo a "-" works like /linesep.
It's not said in the help file but when the last line of the window is a -, /linesep won't show the - and i think it's a good thing...
But for the /echo command, i think it should echo the - without check the last line of the window.
//echo -a - | echo -a -
you'll see just one - and i'm sure this behavior is not a bug but have to be change
/aline not works in this way .
