test$ cat test2.asm
%ifdef __?NASM_HAS_IFDIRECTIVE?__
 %if 0
 %elifdirective %note
  %note quux
 %endif
%endif
test$ nasm -v
NASM version 2.16.02rc2 compiled on Oct 12 2023
test$ nasm test2.asm -l /dev/stderr
     1                                  %ifdef __?NASM_HAS_IFDIRECTIVE?__
     2                                   %if 0
     3                                   %elifdirective %note
     4                                    %note quux
     5                                   %endif
     6                                  %endif
test$ ~/proj/nasmtest/broken/nasm -v
NASM version 3.00rc4 compiled on Sep 14 2025
test$ ~/proj/nasmtest/broken/nasm test2.asm -l /dev/stderr
     1                                  %ifdef __?NASM_HAS_IFDIRECTIVE?__
     2                                   %if 0
     3                                   %elifdirective %note
     4                                    %note quux
     4          ------------------       note: quux
     5                                   %endif
     6                                  %endif
test$