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dmarc=pass header.from=ntlworld.com; arc=none Received: from smtpq1.tb.ukmail.iss.as9143.net ([212.54.57.96]:50180) by zero.zsh.org with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) id 1oNK25-000ILD-35; Sun, 14 Aug 2022 20:16:25 +0000 Received: from [212.54.57.108] (helo=csmtp4.tb.ukmail.iss.as9143.net) by smtpq1.tb.ukmail.iss.as9143.net with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNK24-0007v5-LS for zsh-users@zsh.org; Sun, 14 Aug 2022 22:16:24 +0200 Received: from pws-Zeus ([82.1.229.179]) by cmsmtp with ESMTPA id NK24oIUnFuYlrNK24o4rsw; Sun, 14 Aug 2022 22:16:24 +0200 X-SourceIP: 82.1.229.179 X-Authenticated-Sender: p.w.stephenson@ntlworld.com X-Spam: 0 X-Authority: v=2.4 cv=RoXWkQqK c=1 sm=1 tr=0 ts=62f95818 cx=a_exe a=W4rGJ7PGCSRRUvufKHO8Dg==:117 a=W4rGJ7PGCSRRUvufKHO8Dg==:17 a=IkcTkHD0fZMA:10 a=biHskzXt2R4A:10 a=O11vEX7LMalEMDj-7pwA:9 a=QEXdDO2ut3YA:10 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ntlworld.com; s=meg.feb2017; t=1660508184; bh=5SZ6U+h4KrooYrghFR4XqY0pg/USINMbFlSpYL/no+s=; h=Subject:From:To:Date:In-Reply-To:References; b=TOhJCNaOMmYbl6Jk7Gj1X0zaF26AIIyjYsiamvEm254a2qXg7hmppP8Pkr+n4KoIT MMcJdGt6k0NPh6lazmsDNLhM0y8HUVapLRFgnTbEnIEDsV1Plgm7v+GynUQ2gf1jeA FQ9gt7m9oWJO+1xsCk5/wb0S0v4ReYJR8pP2C81NOmU7Bdul3CsHv5p7Cd/lTj8dgL PTO4Efmk7FFoxO8g2jcu/iNMgzqm+dE2jIkUrUFATpwVxAcYc8XleKeL0ipIKHkeQG LhIu5B2imIENk+Du6Db4S62be7fQ5LBepeWgFswJiSMkiAm6hQCOEWvj6oC5/mYGst gdcdPPePThmow== Message-ID: <4b678a820ef0226e35e374b2682925ec59ed8121.camel@ntlworld.com> Subject: Re: Portability of zwc files between zsh versions From: Peter Stephenson To: zsh-users@zsh.org Date: Sun, 14 Aug 2022 21:16:24 +0100 In-Reply-To: References: <87edxiadsf.fsf@xoc19.stanford.edu> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4xfI6uW+gNOrMgyjv6HR+nB1g/v2+F7J+hoYZBdMPCnMmQxKmOtu0Lq90pa7jaV56JBTiEHUns3EupneRdIyuOoYapVKGbUHu8FVW5CeEXFBTo0FZpZ6dp RiIDS0oU55UGbAtfBNNe3WFVqy2Mp9+mbD+JwT3GsG6R7tBeffEBvjx1B6zwv+J4cYzXvLqxayjoJA== X-Seq: 27954 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Sun, 2022-08-14 at 12:38 -0700, Bart Schaefer wrote: > Possibly the right thing to do would be to remove the version check > and instead be more diligent about updating the *MAGIC values, I > suspect that the habit of doing the latter was forgotten when the > version check subsumed it. Indeed, I think the shell version check was inspired by the knowledge that we were already being less than diligent in updating the dumped wordcode version number. Maybe a bit of creative thinking about how we detect relevant changes is needed. The only real requirement is picking up incompatibilities when we make a release. pws