Does not evaluate any of the code within the block. However, any optional args passed before the block will be evaluated although they will be ignored. See uncomment for switching commenting off without having to remove the comment form.

Introduced in v2.0

Example

# Example 1

comment do
    play 50
    sleep 1
    play 62
  end

# starting a block level comment:
# not played
# no sleep happens
# not played