{ This is a left marginal comment. }
i: integer; {This is a trailing comment}
j: integer; {This is a right marginal comment}
k: array [1..10] of array [1..10] of integer; {Marginal, but past the margin}
An aligned, multi-line comment
which explains what this program is
i := 1; {Trailing i comment}
{A left marginal comment}
j := 1; {Right marginal comment}