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#23730: 24.5; format removes text properties Date: Wed, 08 Jun 2016 19:57:10 +0300 Message-ID: <83mvmvr53t.fsf@gnu.org> References: <8737onajc5.fsf@gmail.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1465405056 7912 80.91.229.3 (8 Jun 2016 16:57:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 8 Jun 2016 16:57:36 +0000 (UTC) Cc: 23730@debbugs.gnu.org To: ynyaaa@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jun 08 18:57:20 2016 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 1bAgnA-0006lu-DY for geb-bug-gnu-emacs@m.gmane.org; Wed, 08 Jun 2016 18:57:20 +0200 Original-Received: from localhost ([::1]:58458 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAgn9-0006I2-HH for geb-bug-gnu-emacs@m.gmane.org; Wed, 08 Jun 2016 12:57:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42656) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAgmx-0006F4-NQ for bug-gnu-emacs@gnu.org; Wed, 08 Jun 2016 12:57:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bAgms-00031B-Mb for bug-gnu-emacs@gnu.org; Wed, 08 Jun 2016 12:57:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48948) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAgms-000317-J2 for bug-gnu-emacs@gnu.org; Wed, 08 Jun 2016 12:57:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bAgms-0007aL-B1 for bug-gnu-emacs@gnu.org; Wed, 08 Jun 2016 12:57:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 08 Jun 2016 16:57:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23730 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 23730-submit@debbugs.gnu.org id=B23730.146540500329132 (code B ref 23730); Wed, 08 Jun 2016 16:57:02 +0000 Original-Received: (at 23730) by debbugs.gnu.org; 8 Jun 2016 16:56:43 +0000 Original-Received: from localhost ([127.0.0.1]:33052 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bAgmZ-0007Zn-EJ for submit@debbugs.gnu.org; Wed, 08 Jun 2016 12:56:43 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:51581) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bAgmY-0007ZX-4b for 23730@debbugs.gnu.org; Wed, 08 Jun 2016 12:56:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bAgmP-0002xm-10 for 23730@debbugs.gnu.org; Wed, 08 Jun 2016 12:56:37 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:46923) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bAgmO-0002xi-UL; Wed, 08 Jun 2016 12:56:32 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1387 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bAgmN-0001lI-KO; Wed, 08 Jun 2016 12:56:32 -0400 In-reply-to: <8737onajc5.fsf@gmail.com> (ynyaaa@gmail.com) 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:119286 Archived-At: > From: ynyaaa@gmail.com > Date: Wed, 08 Jun 2016 22:41:46 +0900 > > > `format' may remove text properties. > Second form is an example. > > (format (propertize "%d" 'face '(:background "red")) 1) > =>#("1" 0 1 (face (:background "red"))) > > (format (propertize "%2d" 'face '(:background "red")) 1) > =>" 1" > > (format (propertize "%02d" 'face '(:background "red")) 1) > =>#("01" 0 2 (face (:background "red"))) Why did you expect the properties of the format specifier to be preserved? The documentation only promises that the characters _other_ than the format specifier are copied with their properties, but makes no such promises about the specifier. IOW, this is the intended behavior. If you want the result of the conversion to have some properties, you should propertize the return value.