# func declarations are red
def <info descr="PY.FUNC_DEFINITION" foreground="0xff0000" background="0x000000" effectcolor="0xffffff" effecttype="BOXED" fonttype="1">foo</info>():
    def <info descr="PY.NESTED_FUNC_DEFINITION" foreground="0xff0000" background="0x000000" effectcolor="0xffffff" effecttype="BOXED" fonttype="1">a</info>():
        yield 1
    return <info descr="PY.BUILTIN_NAME">False</info>