From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: =?UTF-8?Q?G=C3=B6ran?= Weinholt Newsgroups: gmane.lisp.guile.bugs Subject: bug#31864: Hex-escaped r6rs symbols are not read correctly Date: Sat, 16 Jun 2018 23:04:39 +0200 Message-ID: <87k1qy30k8.fsf@teapot.weinholt.se> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1529183583 21288 195.159.176.226 (16 Jun 2018 21:13:03 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 16 Jun 2018 21:13:03 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) To: 31864@debbugs.gnu.org Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Sat Jun 16 23:12:59 2018 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fUIVG-0005Kh-9R for guile-bugs@m.gmane.org; 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Original-Received: from uucp by iustitia.weinholt.se with local-bsmtp (Exim 4.89) (envelope-from ) id 1fUIWM-0002AF-CY; Sat, 16 Jun 2018 23:14:06 +0200 Original-Received: from weinholt by teapot.weinholt.se with local (Exim 4.91) (envelope-from ) id 1fUIND-0002GY-87; Sat, 16 Jun 2018 23:04:39 +0200 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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-guile@gnu.org List-Id: "Bug reports for GUILE, GNU's Ubiquitous Extension Language" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Original-Sender: "bug-guile" Xref: news.gmane.org gmane.lisp.guile.bugs:9063 Archived-At: Hello schemers! R6RS specifies an inline hex escape syntax for symbols. These do not work in Guile 2.2.3: scheme@(guile-user)> (read-enable 'r6rs-hex-escapes) $1 =3D (square-brackets r6rs-hex-escapes keywords #f positions) scheme@(guile-user)> (symbol->string '\x7c; ) $2 =3D "\\x7c" I expected this to return "|". While fixing this, perhaps it would also be possible to add recognition of #!r6rs to set the appropriate per-port read options, similarly to how #!fold-case is recognized? It would make it much easier to load R6RS code in Guile. Best Regards, --=20 G=C3=B6ran Weinholt Debian developer 73 de SA6CJK