Note: When 1-D math input is converted to 2-D math input, all comments are discarded. To view all of the comments in the examples below, you must view the page in 1-D math input. In the View menu, ensure that the Display Examples with 2D Math box is not checked.
p := proc(x) description "Descriptions are retained by Maple.";
# Square x.
x^2; # Comments are discarded by Maple.