From unknown Fri Jun 13 10:51:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#38239: hungry-eol-escapes reader option doesn't allow intraline whitespace Resent-From: Andy Wingo Original-Sender: "Debbugs-submit" Resent-CC: bug-guile@gnu.org Resent-Date: Sat, 16 Nov 2019 21:29:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 38239 X-GNU-PR-Package: guile X-GNU-PR-Keywords: To: 38239@debbugs.gnu.org X-Debbugs-Original-To: bug-guile@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.157393968524128 (code B ref -1); Sat, 16 Nov 2019 21:29:01 +0000 Received: (at submit) by debbugs.gnu.org; 16 Nov 2019 21:28:05 +0000 Received: from localhost ([127.0.0.1]:39825 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iW5bw-0006H5-Ib for submit@debbugs.gnu.org; Sat, 16 Nov 2019 16:28:04 -0500 Received: from lists.gnu.org ([209.51.188.17]:47697) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iW5bu-0006Gb-Au for submit@debbugs.gnu.org; Sat, 16 Nov 2019 16:28:02 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58361) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iW5bt-0005Kq-AO for bug-guile@gnu.org; Sat, 16 Nov 2019 16:28:02 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=BAYES_20,URIBL_BLOCKED autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iW5bs-0001Jt-CD for bug-guile@gnu.org; Sat, 16 Nov 2019 16:28:01 -0500 Received: from fanzine.igalia.com ([178.60.130.6]:50912) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iW5bs-0001Jl-3f for bug-guile@gnu.org; Sat, 16 Nov 2019 16:28:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Type:MIME-Version:Message-ID:Date:Subject:To:From; bh=Z7rswLL3kPvAB+fwc52WdZsVYPhRJcxjqKvpXIUUi88=; b=eIEpN0ekrnESztTPsOVUHFUhOKoKXW8DmR2VXb9jNq3H3KqLNlg4+eH0jPTfZJPicBhqhwfaCte1DOjLRHE+1hXI6Sp7RFzlqeGIqGMY2+ZheQmNGtRN7LUBhM4IIz45EQsp3sTG4UENVkBt2r5lSiKjITUEcrQojQV+hI7CjiWzLFx2I0giSbk9GWpX5pWN0ODv0OOv/ti23irPRCU/eTkuwRxMXNXP7+0s3m5nwvVdoXLmTVLuKWgRfnAaLDsA79FiEArbLF1OExpl/YlrmIJ4JP7jah0oNRrymQwfiHQQbb1miPAAcgeO+mLMz18TuSuqw5OLm9M8WS0XVg/JsQ==; Received: from cha74-2-88-160-189-213.fbx.proxad.net ([88.160.189.213] helo=sparrow) by fanzine.igalia.com with esmtpsa (Cipher TLS1.0:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim) id 1iW5bq-0000tw-IO for ; Sat, 16 Nov 2019 22:27:58 +0100 From: Andy Wingo Date: Sat, 16 Nov 2019 22:27:40 +0100 Message-ID: <87d0drmrzn.fsf@pobox.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Received-From: 178.60.130.6 X-Spam-Score: -1.6 (-) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.6 (--) Guile supports the R7RS idiom whereby this: "foo\ bar" reads as "foobar" In the R6RS, this syntax is specified as allowing intraline whitespace (space, tab, and anything Unicode with category Zs) after the \ but before the newline. However in Guile we don't support this and signal an error instead ("illegal character in escape sequence: #\space"). Probably we should relax this restriction and allow intraline whitespace after the \ and before the newline.