From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.bugs Subject: bug#35328: 27.0.50; Lisp reference, "Accepting Output": Should describe what happens to standard error Date: Mon, 22 Apr 2019 11:14:19 +0200 Message-ID: References: <83k1fpb15c.fsf@gnu.org> <83tver896c.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="23414"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 35328@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Apr 22 11:15:15 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hIV2h-0005wZ-2s for geb-bug-gnu-emacs@m.gmane.org; Mon, 22 Apr 2019 11:15:15 +0200 Original-Received: from localhost ([127.0.0.1]:34525 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIV2g-0008CB-1g for geb-bug-gnu-emacs@m.gmane.org; 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Apr. 2019 um 21:12 Uhr schrieb Eli Zaretskii : > > > From: Philipp Stephani > > Date: Sun, 21 Apr 2019 15:58:11 +0200 > > Cc: 35328@debbugs.gnu.org > > > > > > Does the code > > > > (while (accept-process-output PROC)) > > > > also ensure that all of the standard error has been read and passed to > > > > the filter/inserted into the buffer? > > > > > > I don't think I understand why you say that node doesn't already > > > answer this question. Why did you think standard error is special in > > > this regard? > > > > The node doesn't describe what happens with standard error, e.g. > > whether standard error is part of "output" and how it's handled. > > Well, it says "output", not "standard output". I take it to mean both > output streams. If the text is interpreted to mean both streams, is > it accurate? I don't think so. At least empirically one has to wait for the standard error process separately to ensure that all standard error is read. I've sent a patch to extend the documentation to say that, is that ok?