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Article #1521Re: minor bug in 18.52 rmail-message-labels-p
From: Aaron Larson
Date: Mon, 27 Mar 1989 00:30
Date: Mon, 27 Mar 1989 00:30
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In article <985@rpi.edu> weltyc@cs.rpi.edu (Christopher A. Welty) writes: A couple of things: ... 4) unwind-protect is very important and does something completely different than save-restriction, it protects you from errors. If there is an error in the middle of a save-restriction (or excursion) you don't you back to the state you were trying to save. unwind-potect insures that even if there is an error you will do some finishing up before you return, so ie you can narrow your buffer again. Clear or not it's quite important. It was my impression that save-restriction did an unwind-protect. The documentation for it does not say that it does, but according to the source it does. Your other points are well taken, and supported by the documentation. It pays to read...
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<19389@srcsip.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!rutgers!ukma!xanth!nic.MR.NET!srcsip!quasar!alarsonReferences:
<19095@srcsip.UUCP> <985@rpi.edu>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!rutgers!ukma!xanth!nic.MR.NET!srcsip!quasar!alarson From: alarson@quasar.SRC.Honeywell.COM (Aaron Larson) Newsgroups: gnu.emacs.bug Subject: Re: minor bug in 18.52 rmail-message-labels-p Message-ID: <19389@srcsip.UUCP> Date: 27 Mar 89 00:30:47 GMT References: <19095@srcsip.UUCP> <985@rpi.edu> Sender: news@src.honeywell.COM Lines: 15 In-reply-to: weltyc@cs.rpi.edu's message of 24 Mar 89 05:49:19 GMT