RE: Toggle appointment notification

[Drew Adams]

> As I read it, the format it is mainly for numerical and strings.
>   (format "%s" arbitrary-string)
> Although it mentions printed representation of the object
> I am sure users would be more interested is printing results
> of expressions.

`C-h f format'

It takes a formatting string and zero or more Lisp values.

The number of %-sequences in the formatting string correspond to the number of 
Lisp values.  Each Lisp value is handled, in turn, by one of the %-sequences.

`message' act similarly.