warning: nested-macrodef.asm(26) -> nested-macrodef.asm::outer(22): [-Wuser]
    Nested macros shouldn't work, whose argument would be \1?
error: nested-macrodef.asm(26) -> nested-macrodef.asm::outer(24):
    Unterminated macro definition
error: nested-macrodef.asm(27):
    Undefined macro "inner"
Assembly aborted with 2 errors!