,----[ C-h k M-: ]
| M-: runs the command eval-expression
| which is an interactive compiled Lisp function in `simple'.
| It is bound to M-:, M-ESC :.
| (eval-expression EVAL-EXPRESSION-ARG &optional EVAL-EXPRESSION-INSERT-VALUE)
|
| Evaluate EVAL-EXPRESSION-ARG and print value in the echo area.
| Value is also consed on to front of the variable `values'.
| Optional argument EVAL-EXPRESSION-INSERT-VALUE, if non-nil, means
| insert the result into the current buffer instead of printing it in
| the echo area.
|
`----