[Turn on line numbering] arg m1, m2; var i; return map i in [1 .. m2.length()] to (.sub(m1[i], m2[i])); // Miroslav Silovic // Created 19-Oct-1996 as a part of ColdCore, see: @help Credit
arg m1, m2; var i; return map i in [1 .. m2.length()] to (.sub(m1[i], m2[i]));