> > On 2018-05-21 at 07:46, Kyle Rose wrote: > > $(call x) rebinds the positional parameters. $x and $(x) do not. This > > distinction is used to break macro logic into smaller pieces in which $1 > et > > al. still refer to the positional parameters from the top-level macro > > instead of being rebound to the empty string. > > My suggestion was for only variable names containing a space, so $(x) > would keep legacy behavior, while $(x y) would work as any function > call. > > I've had the same thought myself. This would probably work, but it needs to do something consistent and understandable in cases like these:
$(fn) <= variable evaluation $(fn literal) <= macro expansion $(fn $x) <= macro expansion, even if $x is empty $(fn ) <= ?? maybe macro expansion? Kyle
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