From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#16334: 24.3.50; company-capf eats the first char in IELM filename completions Date: Sat, 04 Jan 2014 00:00:43 -0500 Message-ID: References: <87sit4ejpq.fsf@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1388811677 11617 80.91.229.3 (4 Jan 2014 05:01:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 4 Jan 2014 05:01:17 +0000 (UTC) Cc: 16334@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jan 04 06:01:22 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VzJMP-00081E-E2 for geb-bug-gnu-emacs@m.gmane.org; Sat, 04 Jan 2014 06:01:21 +0100 Original-Received: from localhost ([::1]:53159 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VzJMO-0005B0-QX for geb-bug-gnu-emacs@m.gmane.org; Sat, 04 Jan 2014 00:01:20 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40820) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VzJMD-00050E-JL for bug-gnu-emacs@gnu.org; Sat, 04 Jan 2014 00:01:16 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VzJM6-0003FF-5w for bug-gnu-emacs@gnu.org; Sat, 04 Jan 2014 00:01:09 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:47032) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VzJM6-0003F8-3I for bug-gnu-emacs@gnu.org; Sat, 04 Jan 2014 00:01:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VzJM5-0000Ed-Oi for bug-gnu-emacs@gnu.org; Sat, 04 Jan 2014 00:01:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 04 Jan 2014 05:01:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16334 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16334-submit@debbugs.gnu.org id=B16334.1388811646878 (code B ref 16334); Sat, 04 Jan 2014 05:01:01 +0000 Original-Received: (at 16334) by debbugs.gnu.org; 4 Jan 2014 05:00:46 +0000 Original-Received: from localhost ([127.0.0.1]:32818 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VzJLq-0000E6-EQ for submit@debbugs.gnu.org; Sat, 04 Jan 2014 00:00:46 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:37907) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VzJLo-0000Dx-Gz for 16334@debbugs.gnu.org; Sat, 04 Jan 2014 00:00:44 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av8EABK/CFG4rwsm/2dsb2JhbABEuzWDWRdzgh4BAQQBViMFCwsOJhIUGA0kiB4GwS2RCgOIYZwZgV6DFQ X-IPAS-Result: Av8EABK/CFG4rwsm/2dsb2JhbABEuzWDWRdzgh4BAQQBViMFCwsOJhIUGA0kiB4GwS2RCgOIYZwZgV6DFQ X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="43948725" Original-Received: from 184-175-11-38.dsl.teksavvy.com (HELO pastel.home) ([184.175.11.38]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 04 Jan 2014 00:00:43 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id A4FA06063D; Sat, 4 Jan 2014 00:00:43 -0500 (EST) In-Reply-To: <87sit4ejpq.fsf@yandex.ru> (Dmitry Gutov's message of "Sat, 04 Jan 2014 03:20:17 +0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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:82888 Archived-At: > 1. Open an IELM buffer and (on Unix) type `"/' there. > 2. Leave the point after `/'. > 3. Type `M-x company-capf', see that all candidates have the first > character missing. That's normal. Try C-x C-f / TAB TAB and you'll see that the leading / is also "missing" in the *Completions* buffer. > Not sure how `completion-at-point' ignores that problem. It doesn't ignore the problem. It knows that (all-completions STR TABLE) doesn't always return strings that have STR as a prefix and spends a fair bit of effort handling it right. > 5. Type `/usr/', then `M-x company-capf', see an error caused by some > candidates being shorter than the prefix. Indeed, Company can't handle all completion-at-point-functions so far because it assumes all completion tables are "simple", unlike for example filename completion. You can know how many chars are "missing" by calling `completion-boundaries'. Ideally, Company should be extended to handle this feature, but for now that can be handled in company-capf. Stefan