Re: Percent sign in message

[Stefan Monnier]

>>> Of course, we could also add a compiler warning whenever we see
>>> (message <exp>) and <exp> is not a constant string.
>> 
>>> I think that would give too many false warnings, because it is not
>>> unusual to obtain the format string from some non-constant source.
>> 
>> Could be.  But the warning can be turned off by using (message "%s" <exp>).

> That would need to be
> (message "%s" (format <exp>))

Well, only if <exp> contains escaped % signs.  It's generally not the case.

> It is not unusual to obtain a _format_ string from some non-constant
> source.

But it then comes with some arguments as well, doesn't it?


        Stefan