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From: "Mattias Engdegård" <mattias.engdegard@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Reto Zimmermann <reto@gnu.org>,
	65464@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>,
	Stefan Kangas <stefankangas@gmail.com>
Subject: bug#65464: Emacs 29.1 - VHDL mode missing updates…
Date: Mon, 11 Sep 2023 18:21:55 +0200	[thread overview]
Message-ID: <42BCABAA-051A-496B-B447-00DDE0901C7C@gmail.com> (raw)
In-Reply-To: <D9BCDB16-6ED6-4F25-9EBC-93B7645CBFE2@gmail.com>

> Does this mean the answer to Reto's question is "yes, it's a known problem for which we have no solution"?

That's right, assuming the question was about packages that were byte-compiled on newer Emacs versions than they are used on. Changes to Emacs are usually backward-compatible with respect to .elc files, but there is never guarantee that they are forward-compatible.

This is not just a matter of changes to the byte-code compiler and interpreter but more often about changes to macros.

In other words, if someone is unable to run vhdl-mode.elc from Emacs 29 on Emacs 28, then we're very sorry but do not consider it a defect that needs to be remedied.






  parent reply	other threads:[~2023-09-11 16:21 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-22 16:15 bug#65464: Emacs 29.1 - VHDL mode missing updates… Tracy’s Gmail
2023-08-23 10:47 ` Stefan Kangas
2023-08-29 13:23   ` Reto Zimmermann
2023-08-29 16:46     ` Stefan Kangas
2023-08-29 16:56       ` Tracy’s Gmail
2023-08-29 18:25         ` Stefan Kangas
2023-08-30 12:23       ` Reto Zimmermann
2023-08-30 13:38         ` Eli Zaretskii
2023-08-31 11:32           ` Reto Zimmermann
2023-08-31 13:00             ` Eli Zaretskii
2023-08-31 14:59               ` Stefan Kangas
2023-08-31 18:46               ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-10  7:47                 ` Eli Zaretskii
2023-09-11  2:40                   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-11 11:40                     ` Eli Zaretskii
2023-09-02  9:20 ` Mattias Engdegård
2023-09-11 16:21 ` Mattias Engdegård [this message]
2023-09-11 22:17   ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-12  6:59     ` Mattias Engdegård
2023-09-12 11:31     ` Eli Zaretskii
2023-09-12 14:08       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors

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