On Sun, Nov 14, 2021 at 8:42 PM Paul Smith <psm...@gnu.org> wrote:
> It's even possible to allow $(compare <lhs>,<rhs>) with no other
> arguments and say that if they are equal then it expands to the value,
> else it expands to the empty string, to give a very short-circuited
> equality statement.

I should point out one bug in that: if the two parameters are equal
*but empty* you're going to mistake that for them being different.


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