Wrong. A blue, white, and red, flag hung from the window.
Right. A blue, white, and red flag hung from the window.
824. Never use commas to set off clauses or phrases that limit the meaning of the expressions they modify; no punctuation is necessary.
Wrong. All men, who do this, should be hanged.
Right. All men who do this should be hanged.
Wrong. Any woman, desiring to try for the team, should report immediately.
Right. Any woman desiring to try for the team should report immediately.
825. Never use commas between adjectives in a series if the position of the adjectives cannot be logically interchanged.
Wrong. He wore an old, black, felt hat.
Right. He wore an old black felt hat.