Merging array variables or adding members to existing array
M1
M11
M21
M31
M41
M2
M21
M22
M23
Now I want to do something that could look like this:
L1 = Merge(M1, M2) or L1 = Join(M1, M2)
resulting in L1 containing M11, M12, M13, M14, M21, M22, M23.
Can it be done by a single simple expression?