On Sat, Jul 30, 2022, 8:25 AM Po Lu <luangruo@yahoo.com> wrote:
Lynn Winebarger <owinebar@gmail.com> writes:
> 4) Make a special read syntax for literal docstrings, e.g. #", and do away with the weird context-sensitive semantics of ordinary string literals altogether.
>
> Also, the test in read_literal_string should probably be for "will_dump_p" rather than the purify flag, since it's the dumping that prompts the deferral of docstring
> loading, not the identification of constants.
>
> Any preferences?

None in particular, except that option 4 is unacceptable as it is not
compatible with older code, and is completely different from all other
Lisp implementations.

Not compatible in what sense? 
I'm not that familiar with lisp implementations - isn't Emacs's treatment of a leading escaped literal newline already completely different?  Is there a typical use of #" as a reader macro?  It's"undefined" according to https://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node191.html

Thanks,
Lynn