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.
Eddy.
