3:1 collapse-if Write the one-statement If on one line. [*]
10:1 blank-lines Set a block's body apart with one blank line. [*]
11:1 blank-lines Set a block's body apart with one blank line. [*]
12:1 blank-lines Set a block's body apart with one blank line. [*]
13:1 blank-lines Set a block's body apart with one blank line. [*]
16:1 blank-lines Set a block's body apart with one blank line. [*]
18:1 blank-lines Set a block's body apart with one blank line. [*]
20:1 collapse-if Write the one-statement If on one line. [*]
20:1 wrap-lines Wrap the line within 120 columns. [*]
