I think the poundsign comments are gone before the ptl compiler
gets involved, so it would be a big change to use them.
It would, however, be nice.

I think the solution could be some variant of 4), but what mark?
d"foo"
doc("foo")
__doc__ = "foo"
__doc__("foo")
"foo",

>>
>> 4) Mark docstrings specially: d"docstring", or something like that.
>
> Is it possible to take the first lines under the function signature
> that start
> with pound signs?  That's how I write the docstrings for my ptl
> functions
> now.