From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#18522: 24.4.50; mapcar is very slow Date: Fri, 26 Feb 2016 11:28:05 +0200 Message-ID: <83fuwfes7u.fsf@gnu.org> References: <8738bkdjqg.fsf@micropit.roche-blanche.homenet.org> <878u2eun9o.fsf@roche-blanche.net> <834md2niqt.fsf@gnu.org> <87k2lyszy2.fsf@roche-blanche.net> <83bn79n66p.fsf@gnu.org> <87vb5hry9y.fsf@roche-blanche.net> <83r3g4lnor.fsf@gnu.org> <87r3g4o4uw.fsf@roche-blanche.net> <83h9h0jwfo.fsf@gnu.org> <87mvqru119.fsf@roche-blanche.net> <8360xfjsyr.fsf@gnu.org> <878u2bs7tl.fsf@roche-blanche.net> <83r3g3iajr.fsf@gnu.org> <87twkypfqx.fsf@roche-blanche.net> <83vb5egg8y.fsf@gnu.org> <87fuwikmzc.fsf@roche-blanche.net> <83io1ege6r.fsf@gnu.org> <87y4a9kh9e.fsf@roche-blanche.net> <87vb5dvf6c.fsf@gnus.org> <8760xdi54j.fsf@roche-blanche.net> <83vb5cg4r6.fsf@gnu.org> <87egc0noyf.fsf@gnus.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; 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Fri, 26 Feb 2016 04:28:10 -0500 In-reply-to: <87egc0noyf.fsf@gnus.org> (message from Lars Ingebrigtsen on Fri, 26 Feb 2016 13:43:44 +1030) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:113865 Archived-At: > From: Lars Ingebrigtsen > Cc: Peter Münster , > 18522@debbugs.gnu.org > Date: Fri, 26 Feb 2016 13:43:44 +1030 > > Since we've already downcased the entire string, both the > `case-fold-search' and the match to [[:upper:]] seem rather > nonsensical? So that should be fixed, but: > > > . set-default should skip killed buffers > > Yes. I think that would be a win in general. > > > For the second issue, I propose to modify set-default to use > > FOR_EACH_LIVE_BUFFER instead of FOR_EACH_BUFFER. Does anyone see a > > problem with that? > > Hm... If a buffer is killed, do the local variables still have an > effect? I'm thinking of code like: > > (with-temp-buffer > (setq-local foo 'bar) > (kill-buffer (current-buffer)) > (let ((buf (current-buffer))) > (with-temp-buffer > (let ((foo 'zot)) > (set-buffer buf) > foo)))) > > Well, that answered itself. :-) It returns zot. (If we don't kill it > returns bar.) So I don't see any reason not to use FOR_EACH_LIVE_BUFFER > here. Btw, why did you fix all those on master? I think this should be fixed on emacs-25 instead. Thanks.