1 1 17.1 Solution for 'exch' 1 ======================== 1 1 The 'exch' macro (⇒Arguments) as presented requires clients to 1 double quote their arguments. A nicer definition, which lets clients 1 follow the rule of thumb of one level of quoting per level of 1 parentheses, involves adding quotes in the definition of 'exch', as 1 follows: 1 1 define(`exch', ``$2', `$1'') 1 => 1 define(exch(`expansion text', `macro')) 1 => 1 macro 1 =>expansion text 1