bug#55645: src/print.c; print_object changes make it impossible to compare elisp code across versions

[Lars Ingebrigtsen]

Tom Gillespie <tgbugs@gmail.com> writes:

> If prin1 is not stable, is there a print that is expected to be stable?

I don't think so.  We tweak the Lisp printers from time to time (for
instance, circular objects changed their representation the other day
(again)), but admittedly, these changes are usually for more obscure
objects than symbols.

> Whether it is meant to be stable or not it has been stable for at least
> 30 years.

prin1?  Stable for 30 years?  Nope.  (But some objects have had a stable
printed representation that long, I'm sure.)

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