Re: User-defined record types, v2

[Stefan Monnier]

>>> So if this is in a different file from the one that does the
>>> `cl-defstruct` you can end up with a situation where the
>>> `cl-define-struct` defines a new-style struct (because it was recently
>>> recompiled), while some code constructs old style structs of that
>>> same type (because it hasn't been recompiled recently).
>> Or check something in the .elc file when it's loaded.  The Emacs
>> version number is there
> I'm trying to make progress on this.  If we bump the version of the
> generated elc files from 23 to 24, we can check for that.

I think it's OK to ask the user to explicitly enable the
compatibility code.  It's also a way to make the user aware of the issue
and motivate him to recompile his files.


        Stefan