From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#50965: Allow nil third argument for mapconcat Date: Sun, 3 Oct 2021 01:03:54 +0200 Message-ID: References: <87v92ftu17.fsf@gnus.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="0000000000004efaf705cd66b236" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32819"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 50965@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Oct 03 01:05:22 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mWo4G-0008L4-Ko for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 03 Oct 2021 01:05:20 +0200 Original-Received: from localhost ([::1]:37320 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mWo4F-0003BO-6a for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 02 Oct 2021 19:05:19 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mWo3y-0003B6-Qe for bug-gnu-emacs@gnu.org; Sat, 02 Oct 2021 19:05:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49211) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mWo3y-0008JR-Iz for bug-gnu-emacs@gnu.org; Sat, 02 Oct 2021 19:05:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mWo3y-00078a-Bq for bug-gnu-emacs@gnu.org; Sat, 02 Oct 2021 19:05:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Kangas Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 02 Oct 2021 23:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50965 X-GNU-PR-Package: emacs Original-Received: via spool by 50965-submit@debbugs.gnu.org id=B50965.163321585427376 (code B ref 50965); Sat, 02 Oct 2021 23:05:02 +0000 Original-Received: (at 50965) by debbugs.gnu.org; 2 Oct 2021 23:04:14 +0000 Original-Received: from localhost ([127.0.0.1]:60757 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mWo3C-00077U-JX for submit@debbugs.gnu.org; Sat, 02 Oct 2021 19:04:14 -0400 Original-Received: from mail-pj1-f51.google.com ([209.85.216.51]:54099) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mWo39-000774-CJ for 50965@debbugs.gnu.org; Sat, 02 Oct 2021 19:04:11 -0400 Original-Received: by mail-pj1-f51.google.com with SMTP id r7so8923509pjo.3 for <50965@debbugs.gnu.org>; Sat, 02 Oct 2021 16:04:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=R6QJKkGJN4y9GxbOKRZeW4SK9Z9pOPhGDDMxlVbIvE0=; b=OqIqcpSMMtzUz0eFu5vSm7WI+sV3VMpNshO2BCnxI1AzqASFri5ZtGillyneRwzjou tnjh/tuEi+sk8MWRI44txajp8rebfBojldAVeEaEzdG1ZGjQPZP0eBLY+asUPOYhnY3m lWLOCpeqO+mvlgo0jCGjNMZZD8TJathjx8Ke0f1/VLwdQ2HCWSRdF/jQYxR8F9+kUs8v tyYsJDcftNacEFBb92Jw0RMZBv4UR6h2dPRVEvK2C6a41RJmi5BA9KYQAqKMvlSvMxc+ 5kASMTKM2Eo4YoVwRObVtHhbXh0FRKcIjubXUAkBHkMQL3xKjsp4OINadTxuV5wo/KlH v+vg== X-Gm-Message-State: AOAM530tg3dF6izmJx7UVo3KIBm/t1i6spXloJihe+PLZU8i6fXEsTUE Uz98b5+CcYOnID+E2C21WeBFW7uhfHZDyBtxGhY= X-Google-Smtp-Source: ABdhPJybraX2HBpgfAtDIE4xyBDfZiuHmfKUC9zBorcARF4IMU+4mfTOjvGenurzZskj2tmbwZqGE7U36X6CyaHdcgc= X-Received: by 2002:a17:902:d505:b0:13e:b49:9d8d with SMTP id b5-20020a170902d50500b0013e0b499d8dmr16206300plg.22.1633215845425; Sat, 02 Oct 2021 16:04:05 -0700 (PDT) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:216207 Archived-At: --0000000000004efaf705cd66b236 Content-Type: text/plain; charset="UTF-8" tags 50965 + patch thanks Stefan Kangas writes: > Aha, so an explicit nil third argument is already treated as the empty string: > > (mapconcat #'identity '("foo" "bar") nil) How does the attached patch look? I'm assuming this should go to master at this point. --0000000000004efaf705cd66b236 Content-Type: application/octet-stream; name="0001-Make-third-mapconcat-argument-optional.patch" Content-Disposition: attachment; filename="0001-Make-third-mapconcat-argument-optional.patch" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_kuaej6qf0 RnJvbSBhYzJmNjg3YzQ1YzZhMjk4ZmJjMWNiZmQ2YjdiMjFmNWYxN2MzZDNjIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBTdGVmYW4gS2FuZ2FzIDxzdGVmYW5AbWFyeGlzdC5zZT4KRGF0 ZTogU3VuLCAzIE9jdCAyMDIxIDAwOjQxOjEzICswMjAwClN1YmplY3Q6IFtQQVRDSF0gTWFrZSB0 aGlyZCBtYXBjb25jYXQgYXJndW1lbnQgb3B0aW9uYWwKCiogc3JjL2Zucy5jIChGbWFwY29uY2F0 KTogTWFrZSAnc2VwYXJhdG9yJyBhcmd1bWVudCBvcHRpb25hbC4gIChCdWcjNTA5NjUpCiogdGVz dC9zcmMvZm5zLXRlc3RzLmVsIChmbnMtdGVzdHMtbWFwY29uY2F0KTogTmV3IHRlc3QuCiogbGlz cC9lbWFjcy1saXNwL3N1YnIteC5lbCAoc3RyaW5nLWpvaW4pOiBEb2N1bWVudCAnc2VwYXJhdG9y Jwphcmd1bWVudCBiZXR0ZXIuCi0tLQogZXRjL05FV1MgICAgICAgICAgICAgICAgICB8IDMgKysr CiBsaXNwL2VtYWNzLWxpc3Avc3Vici14LmVsIHwgNCArKystCiBzcmMvZm5zLmMgICAgICAgICAg ICAgICAgIHwgOCArKysrKystLQogdGVzdC9zcmMvZm5zLXRlc3RzLmVsICAgICB8IDcgKysrKysr KwogNCBmaWxlcyBjaGFuZ2VkLCAxOSBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQoKZGlm ZiAtLWdpdCBhL2V0Yy9ORVdTIGIvZXRjL05FV1MKaW5kZXggOGMyMjIzMGRhZi4uN2JlMDQzZmM5 OSAxMDA2NDQKLS0tIGEvZXRjL05FV1MKKysrIGIvZXRjL05FV1MKQEAgLTgwLDYgKzgwLDkgQEAg RW1hY3MgYnVmZmVycywgbGlrZSBpbmRlbnRhdGlvbiBhbmQgdGhlIGxpa2UuICBUaGUgbmV3IGVy dCBmdW5jdGlvbgogDAogKiBMaXNwIENoYW5nZXMgaW4gRW1hY3MgMjkuMQogCisqKiBUaGlyZCAn bWFwY29uY2F0JyBhcmd1bWVudCAnc2VwYXJhdG9yJyBpcyBub3cgb3B0aW9uYWwuCitBbiBleHBs aWNpdCBuaWwgYWx3YXlzIG1lYW50IHRoZSBlbXB0eSBzdHJpbmcsIG5vdyBpdCBjYW4gYmUgbGVm dCBvdXQuCisKIAwKICogQ2hhbmdlcyBpbiBFbWFjcyAyOS4xIG9uIE5vbi1GcmVlIE9wZXJhdGlu ZyBTeXN0ZW1zCiAKZGlmZiAtLWdpdCBhL2xpc3AvZW1hY3MtbGlzcC9zdWJyLXguZWwgYi9saXNw L2VtYWNzLWxpc3Avc3Vici14LmVsCmluZGV4IDkxZWJiZjlmYjkuLjJiZGJkYWFiNzQgMTAwNjQ0 Ci0tLSBhL2xpc3AvZW1hY3MtbGlzcC9zdWJyLXguZWwKKysrIGIvbGlzcC9lbWFjcy1saXNwL3N1 YnIteC5lbApAQCAtMjA4LDcgKzIwOCw5IEBAIHN0cmluZy1lbXB0eS1wCiAgIChzdHJpbmc9IHN0 cmluZyAiIikpCiAKIChkZWZzdWJzdCBzdHJpbmctam9pbiAoc3RyaW5ncyAmb3B0aW9uYWwgc2Vw YXJhdG9yKQotICAiSm9pbiBhbGwgU1RSSU5HUyB1c2luZyBTRVBBUkFUT1IuIgorICAiSm9pbiBh bGwgU1RSSU5HUyB1c2luZyBTRVBBUkFUT1IuCitPcHRpb25hbCBhcmd1bWVudCBTRVBBUkFUT1Ig bXVzdCBiZSBhIHN0cmluZywgYSB2ZWN0b3IsIG9yIGEgbGlzdCBvZgorY2hhcmFjdGVyczsgbmls IGlzIHRoZSBlbXB0eSBzdHJpbmcuIgogICAobWFwY29uY2F0ICMnaWRlbnRpdHkgc3RyaW5ncyBz ZXBhcmF0b3IpKQogCiAoZGVmaW5lLW9ic29sZXRlLWZ1bmN0aW9uLWFsaWFzICdzdHJpbmctcmV2 ZXJzZSAncmV2ZXJzZSAiMjUuMSIpCmRpZmYgLS1naXQgYS9zcmMvZm5zLmMgYi9zcmMvZm5zLmMK aW5kZXggYTcyZTQxYWVlNS4uZjc3YjYwMDliZCAxMDA2NDQKLS0tIGEvc3JjL2Zucy5jCisrKyBi L3NyYy9mbnMuYwpAQCAtMjg1MiwxMiArMjg1MiwxNiBAQCBtYXBjYXIxIChFTUFDU19JTlQgbGVu aSwgTGlzcF9PYmplY3QgKnZhbHMsIExpc3BfT2JqZWN0IGZuLCBMaXNwX09iamVjdCBzZXEpCiAg IHJldHVybiBsZW5pOwogfQogCi1ERUZVTiAoIm1hcGNvbmNhdCIsIEZtYXBjb25jYXQsIFNtYXBj b25jYXQsIDMsIDMsIDAsCitERUZVTiAoIm1hcGNvbmNhdCIsIEZtYXBjb25jYXQsIFNtYXBjb25j YXQsIDIsIDMsIDAsCiAgICAgICAgZG9jOiAvKiBBcHBseSBGVU5DVElPTiB0byBlYWNoIGVsZW1l bnQgb2YgU0VRVUVOQ0UsIGFuZCBjb25jYXQgdGhlIHJlc3VsdHMgYXMgc3RyaW5ncy4KIEluIGJl dHdlZW4gZWFjaCBwYWlyIG9mIHJlc3VsdHMsIHN0aWNrIGluIFNFUEFSQVRPUi4gIFRodXMsICIg IiBhcwogICBTRVBBUkFUT1IgcmVzdWx0cyBpbiBzcGFjZXMgYmV0d2VlbiB0aGUgdmFsdWVzIHJl dHVybmVkIGJ5IEZVTkNUSU9OLgorCiBTRVFVRU5DRSBtYXkgYmUgYSBsaXN0LCBhIHZlY3Rvciwg YSBib29sLXZlY3Rvciwgb3IgYSBzdHJpbmcuCi1TRVBBUkFUT1IgbXVzdCBiZSBhIHN0cmluZywg YSB2ZWN0b3IsIG9yIGEgbGlzdCBvZiBjaGFyYWN0ZXJzLgorCitPcHRpb25hbCBhcmd1bWVudCBT RVBBUkFUT1IgbXVzdCBiZSBhIHN0cmluZywgYSB2ZWN0b3IsIG9yIGEgbGlzdCBvZgorY2hhcmFj dGVyczsgbmlsIGlzIHRoZSBlbXB0eSBzdHJpbmcuCisKIEZVTkNUSU9OIG11c3QgYmUgYSBmdW5j dGlvbiBvZiBvbmUgYXJndW1lbnQsIGFuZCBtdXN0IHJldHVybiBhIHZhbHVlCiAgIHRoYXQgaXMg YSBzZXF1ZW5jZSBvZiBjaGFyYWN0ZXJzOiBlaXRoZXIgYSBzdHJpbmcsIG9yIGEgdmVjdG9yIG9y CiAgIGxpc3Qgb2YgbnVtYmVycyB0aGF0IGFyZSB2YWxpZCBjaGFyYWN0ZXIgY29kZXBvaW50cy4g ICovKQpkaWZmIC0tZ2l0IGEvdGVzdC9zcmMvZm5zLXRlc3RzLmVsIGIvdGVzdC9zcmMvZm5zLXRl c3RzLmVsCmluZGV4IDU3NTk0NTcyMDkuLmE3NzE3OTBiNjggMTAwNjQ0Ci0tLSBhL3Rlc3Qvc3Jj L2Zucy10ZXN0cy5lbAorKysgYi90ZXN0L3NyYy9mbnMtdGVzdHMuZWwKQEAgLTQzMCw2ICs0MzAs MTMgQEAgZm5zLXRlc3RzLWhhc2gtYnVmZmVyCiAgICAgICAgICAgICAgICAgICAgKGJ1ZmZlci1o YXNoKSkKICAgICAgICAgICAgICAgICAgKHNoYTEgImZvbyIpKSkpCiAKKyhlcnQtZGVmdGVzdCBm bnMtdGVzdHMtbWFwY29uY2F0ICgpCisgIChzaG91bGQgKHN0cmluZz0gKG1hcGNvbmNhdCAjJ2lk ZW50aXR5ICcoKSAiXyIpICIiKSkKKyAgKHNob3VsZCAoc3RyaW5nPSAobWFwY29uY2F0ICMnaWRl bnRpdHkgJygiQSIpICJfIikgIkEiKSkKKyAgKHNob3VsZCAoc3RyaW5nPSAobWFwY29uY2F0ICMn aWRlbnRpdHkgJygiQSIgIkIiKSAiXyIpICJBX0IiKSkKKyAgKHNob3VsZCAoc3RyaW5nPSAobWFw Y29uY2F0ICMnaWRlbnRpdHkgJygiQSIgIkIiICJDIikgIl8iKSAiQV9CX0MiKSkKKyAgKHNob3Vs ZCAoc3RyaW5nPSAobWFwY29uY2F0ICMnaWRlbnRpdHkgJygiYSIgImIiKSkgImFiIikpKQorCiAo ZXJ0LWRlZnRlc3QgZm5zLXRlc3RzLW1hcGNhbiAoKQogICAoc2hvdWxkLWVycm9yIChtYXBjYW4p KQogICAoc2hvdWxkLWVycm9yIChtYXBjYW4gIydpZGVudGl0eSkpCi0tIAoyLjMzLjAKCg== --0000000000004efaf705cd66b236--