With Dewey & LeBoeuf this week finally consummating their hotly-anticipated coming-together, The Diary was last week debating some other proposed unions when your correspondent heard the phrase “we keep the situation under constant review” for about the 400th time this year.

Cunning lawyers, of course, know that nothing is more likely to raise the blood pressure of a cynical hack than that particular fence-straddling phrase. However, lawyers be warned: The Diary sees through your guff and has drawn up this handy guide to deciphering the tie-up tittle-tattle.