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From: | Stefan Monnier |
Subject: | bug#39233: .elc file - possibly outdated backward compatibility comments |
Date: | Fri, 24 Jan 2020 09:22:49 -0500 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
> Will these changes still allow old Emacs binaries to load *.elc files > compiled by Emacs after these changes? New Emacsen loading old .elc won't be affected. Old Emacsen loading .elc files compiled by new Emacsen is something that has always been risky, tho it has sometimes worked. My proposal is to make it emit a warning (so it will work as much as it does now, but will bring to the attention of the user that it's in murky territory). Stefan
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