Warn at compile time, error at runtime, with (quote X Y), (function X Y). lisp/ChangeLog addition: 2010-09-16 Aidan Kehoe <kehoea@parhasard.net> * bytecomp.el (byte-compile-function-form, byte-compile-quote) (byte-compile-quote-form): Warn at compile time, and error at runtime, if a (quote ...) or a (function ...) form attempts to quote more than one object. src/ChangeLog addition: 2010-09-16 Aidan Kehoe <kehoea@parhasard.net> * eval.c (Ffunction, Fquote): Add argument information in the arguments: () format for these two special operators.