From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#32562: 26; `read-char(-exclusive)' and `characterp' Date: Tue, 11 Sep 2018 10:57:34 +0300 Message-ID: <831sa0o49d.fsf@gnu.org> References: <<3cce8b54-2e85-49a2-84d8-386ded864148@default>>> <<83d0tlpteu.fsf@gnu.org>>> <<5f51bd06-84dd-47f5-a7da-b0c5814a274c@default>> <> <<3d6fb22f-de5a-4cce-bf49-023f2fc8388f@default>> <<83k1ntnu6l.fsf@gnu.org>> <4df2c3ce-9dcb-483c-b733-f91f54f33bce@default> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1536653134 23890 195.159.176.226 (11 Sep 2018 08:05:34 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 11 Sep 2018 08:05:34 +0000 (UTC) Cc: 32562@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Sep 11 10:05:30 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fzdft-00065n-Ia for geb-bug-gnu-emacs@m.gmane.org; Tue, 11 Sep 2018 10:05:29 +0200 Original-Received: from localhost ([::1]:56007 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fzdhz-0004cl-Oy for geb-bug-gnu-emacs@m.gmane.org; Tue, 11 Sep 2018 04:07:39 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59850) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fzdhk-0004Fo-NG for bug-gnu-emacs@gnu.org; Tue, 11 Sep 2018 04:07:27 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fzdYg-000669-1e for bug-gnu-emacs@gnu.org; Tue, 11 Sep 2018 03:58:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:60089) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fzdYf-000665-U0 for bug-gnu-emacs@gnu.org; Tue, 11 Sep 2018 03:58:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1fzdYf-0005hL-SK for bug-gnu-emacs@gnu.org; Tue, 11 Sep 2018 03:58:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 11 Sep 2018 07:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 32562 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 32562-submit@debbugs.gnu.org id=B32562.153665265721873 (code B ref 32562); Tue, 11 Sep 2018 07:58:01 +0000 Original-Received: (at 32562) by debbugs.gnu.org; 11 Sep 2018 07:57:37 +0000 Original-Received: from localhost ([127.0.0.1]:36114 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fzdYG-0005gi-KL for submit@debbugs.gnu.org; Tue, 11 Sep 2018 03:57:36 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:37273) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fzdYE-0005gW-Ri for 32562@debbugs.gnu.org; Tue, 11 Sep 2018 03:57:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fzdY6-0005Zm-3j for 32562@debbugs.gnu.org; Tue, 11 Sep 2018 03:57:29 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:33981) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fzdY5-0005Za-Vx; Tue, 11 Sep 2018 03:57:26 -0400 Original-Received: from [176.228.60.248] (port=2394 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fzdY5-00014T-JN; Tue, 11 Sep 2018 03:57:25 -0400 In-reply-to: <4df2c3ce-9dcb-483c-b733-f91f54f33bce@default> (message from Drew Adams on Mon, 10 Sep 2018 12:48:22 -0700 (PDT)) 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" Xref: news.gmane.org gmane.emacs.bugs:150211 Archived-At: > Date: Mon, 10 Sep 2018 12:48:22 -0700 (PDT) > From: Drew Adams > Cc: schwab@suse.de, 32562@debbugs.gnu.org > > > > > A character with modifiers doesn't satisfy characterp, but it is still a > > > > character (which read-char can return). > > > > > > Yes, well, that's what I found a bit confusing wrt the > > > doc and function names. It wasn't (isn't?) too clear > > > just what we mean by "character", in that case. > > > > I made the documentation say "character event" where it matters. > > I imagine that you made it clearer (I don't have the new doc). I hope so. > But see what I replied to Andreas. It seems like we talk in some > places about reading a character even if what gets read might > not be `characterp'. "Character event" doesn't clarify that, for me. > > Seems like the doc (but I don't have time now to search it) > doesn't distinguish "character" meaning something that is > `characterp' from other meanings of it (not sure what those > are, but apparently `read-char' can return such things). The changes I made can be seen here: http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-26&id=5cf282d65f10f59f7efa63359dfd2b2e124943da Please read them (in their context of surrounding manual text, of course), and then see if something is still unclear. Otherwise, this discussion is too theoretical to be useful. > It's not clear to me, at least. Why isn't `chararcterp' necessary > and sufficient for testing whether something is a character? It is. But it is not sufficient for testing whether something is a character input event, because an input event can include modifiers, and valid character codepoints don't include modifiers.