warn/croak on "string" "string" auto-joins

[Robert Dewar]

Zack Weinberg wrote:

> Adam Monsen <haircut@gmail.com> writes:
> 
> 
>>String auto-joins can be dangerous. Is there a way to tell the
>>compiler to warn/croak when an auto-join occurs?
> 
> 
> There is not, and without a way for the programmer to make clear that
> a given use of string-constant concatenation is intentional, I am
> reluctant to add one.

I would think the reasonable condition for the warning is that no
line feed appears between the two strings, which is indeed unusual
usage.