GNU bug report logs - #44546
Can't expand a<b, need a< b

Message received at submit <at> debbugs.gnu.org:

Received: (at submit) by debbugs.gnu.org; 10 Nov 2020 03:44:42 +0000
From debbugs-submit-bounces <at> debbugs.gnu.org Mon Nov 09 22:44:42 2020
Received: from localhost ([127.0.0.1]:36057 helo=debbugs.gnu.org)
	by debbugs.gnu.org with esmtp (Exim 4.84_2)
	(envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>)
	id 1kcKaI-0003lt-Et
	for submit <at> debbugs.gnu.org; Mon, 09 Nov 2020 22:44:42 -0500
Received: from lists.gnu.org ([209.51.188.17]:38010)
 by debbugs.gnu.org with esmtp (Exim 4.84_2)
 (envelope-from <jidanni@HIDDEN>) id 1kcKaG-0003lk-5v
 for submit <at> debbugs.gnu.org; Mon, 09 Nov 2020 22:44:40 -0500
Received: from eggs.gnu.org ([2001:470:142:3::10]:45400)
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <jidanni@HIDDEN>)
 id 1kcKaF-0008A3-S9
 for bug-gnu-emacs@HIDDEN; Mon, 09 Nov 2020 22:44:39 -0500
Received: from aye.elm.relay.mailchannels.net ([23.83.212.6]:44641)
 by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <jidanni@HIDDEN>)
 id 1kcKaD-0000uf-Pt
 for bug-gnu-emacs@HIDDEN; Mon, 09 Nov 2020 22:44:39 -0500
X-Sender-Id: dreamhost|x-authsender|jidanni@HIDDEN
Received: from relay.mailchannels.net (localhost [127.0.0.1])
 by relay.mailchannels.net (Postfix) with ESMTP id 0635E92104F
 for <bug-gnu-emacs@HIDDEN>; Tue, 10 Nov 2020 03:44:33 +0000 (UTC)
Received: from pdx1-sub0-mail-a58.g.dreamhost.com
 (100-98-64-63.trex.outbound.svc.cluster.local [100.98.64.63])
 (Authenticated sender: dreamhost)
 by relay.mailchannels.net (Postfix) with ESMTPA id 8831B920E58
 for <bug-gnu-emacs@HIDDEN>; Tue, 10 Nov 2020 03:44:32 +0000 (UTC)
X-Sender-Id: dreamhost|x-authsender|jidanni@HIDDEN
Received: from pdx1-sub0-mail-a58.g.dreamhost.com (pop.dreamhost.com
 [64.90.62.162]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384)
 by 0.0.0.0:2500 (trex/5.18.10); Tue, 10 Nov 2020 03:44:32 +0000
X-MC-Relay: Neutral
X-MailChannels-SenderId: dreamhost|x-authsender|jidanni@HIDDEN
X-MailChannels-Auth-Id: dreamhost
X-Reaction-Belong: 26e8cb7102fc7243_1604979872796_628358253
X-MC-Loop-Signature: 1604979872796:3283561105
X-MC-Ingress-Time: 1604979872796
Received: from pdx1-sub0-mail-a58.g.dreamhost.com (localhost [127.0.0.1])
 by pdx1-sub0-mail-a58.g.dreamhost.com (Postfix) with ESMTP id 48B407F4F7
 for <bug-gnu-emacs@HIDDEN>; Mon,  9 Nov 2020 19:44:32 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=jidanni.org; h=from:to
 :subject:date:message-id:mime-version:content-type; s=
 jidanni.org; bh=wcdql16g9mwPMbGOmzNkcC0CUz4=; b=FXjUdiBfXglhKEqO
 lNG/MY6MZruTKYJB33RAoLCa1nEc26pwMK/Qa16RZO/ZGwWcG6rDHotcKqprdhC6
 VSKcYZYV8JGhM8C+xVVGYXOdrqKll7vW2nZXnGYQFew8b8AGA7RE6hJHGEB2PB72
 2j4Nr/avPEBCdgFC8FANJKuQP80=
Received: from jidanni.org (114-41-22-187.dynamic-ip.hinet.net [114.41.22.187])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 (Authenticated sender: jidanni@HIDDEN)
 by pdx1-sub0-mail-a58.g.dreamhost.com (Postfix) with ESMTPSA id 0A7627E424
 for <bug-gnu-emacs@HIDDEN>; Mon,  9 Nov 2020 19:44:31 -0800 (PST)
X-DH-BACKEND: pdx1-sub0-mail-a58
From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: Can't expand a<b, need a< b
Date: Mon, 09 Nov 2020 18:37:24 +0800
Message-ID: <87k0uuoly3.5.fsf@HIDDEN>
MIME-Version: 1.0
Content-Type: text/plain
Received-SPF: pass client-ip=23.83.212.6; envelope-from=jidanni@HIDDEN;
 helo=aye.elm.relay.mailchannels.net
X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/09 22:44:33
X-ACL-Warn: Detected OS   = Linux 3.11 and newer [fuzzy]
X-Spam_score_int: 4
X-Spam_score: 0.4
X-Spam_bar: /
X-Spam_report: (0.4 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_12_24=1.049,
 DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,
 RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_SORBS_WEB=1.5,
 SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no
X-Spam_action: no action
X-Spam-Score: 0.9 (/)
X-Debbugs-Envelope-To: submit
X-BeenThere: debbugs-submit <at> debbugs.gnu.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: <debbugs-submit.debbugs.gnu.org>
List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, 
 <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe>
List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/>
List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org>
List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help>
List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, 
 <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe>
Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org
Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
X-Spam-Score: -0.1 (/)

$ emacs -f compile
Compile command: wc< /et<TAB> #expands /etc fine.
Compile command: wc</et<TAB> #gives [no match]

Same problem with
$ emacs -f shell

However real bash outside of emacs doesn't have this bug.
emacs-version "27.1"