GNU bug report logs - #32792
27.0.50; invalid XML character considered as valid in nxml validation

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Package: emacs;

Reported by: Jean-Christophe Helary <brandelune <at> gmail.com>

Date: Fri, 21 Sep 2018 02:03:01 UTC

Severity: minor

Tags: confirmed, notabug

Found in version 27.0.50

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#32792; Package emacs. (Fri, 21 Sep 2018 02:03:01 GMT) Full text and rfc822 format available.
Acknowledgement sent to Jean-Christophe Helary <brandelune <at> gmail.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Fri, 21 Sep 2018 02:03:01 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jean-Christophe Helary <brandelune <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50; invalid XML character considered as valid in nxml validation
Date: Fri, 21 Sep 2018 11:02:17 +0900

In GNU Emacs 27.0.50 (build 16, x86_64-apple-darwin17.7.0, NS appkit-1561.60 Version 10.13.6 (Build 17G65))
of 2018-08-28 built on mabinogion.local
Repository revision: d77d01d22902acdc45c2c7059de4f1b158ab5806
Windowing system distributor 'Apple', version 10.3.1561
System Description:  Mac OS X 10.13.6

This XML is considered valid by nxml validation:

<xml>
  <invalid>
  (): invalid XML character (Unicode: 0x1f)
</invalid>
</xml>



Jean-Christophe Helary
-----------------------------------------------
http://mac4translators.blogspot.com @brandelune
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#32792; Package emacs. (Sat, 13 Jul 2019 02:07:02 GMT) Full text and rfc822 format available.

Message #8 received at 32792 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Jean-Christophe Helary <brandelune <at> gmail.com>
Cc: 32792 <at> debbugs.gnu.org
Subject: Re: bug#32792: 27.0.50; invalid XML character considered as valid
 in nxml validation
Date: Sat, 13 Jul 2019 04:06:27 +0200

Jean-Christophe Helary <brandelune <at> gmail.com> writes:

> This XML is considered valid by nxml validation:
>
> <xml>
>   <invalid>
>   (): invalid XML character (Unicode: 0x1f)
> </invalid>
> </xml>

Do you have a test case starting from "emacs -Q"?  (I'm not familiar
with how nmxl-mode says that something is valid or not.)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
Added tag(s) moreinfo. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Sat, 13 Jul 2019 02:10:02 GMT) Full text and rfc822 format available.
Removed tag(s) moreinfo. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Fri, 27 Sep 2019 16:25:01 GMT) Full text and rfc822 format available.
Added tag(s) confirmed. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Fri, 27 Sep 2019 16:25:02 GMT) Full text and rfc822 format available.
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#32792; Package emacs. (Fri, 27 Sep 2019 16:26:02 GMT) Full text and rfc822 format available.

Message #17 received at 32792 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Jean-Christophe Helary <brandelune <at> gmail.com>
Cc: 32792 <at> debbugs.gnu.org
Subject: Re: bug#32792: 27.0.50; invalid XML character considered as valid
 in nxml validation
Date: Fri, 27 Sep 2019 18:25:44 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Jean-Christophe Helary <brandelune <at> gmail.com> writes:
>
>> This XML is considered valid by nxml validation:
>>
>> <xml>
>>   <invalid>
>>   (): invalid XML character (Unicode: 0x1f)
>> </invalid>
>> </xml>
>
> Do you have a test case starting from "emacs -Q"?  (I'm not familiar
> with how nmxl-mode says that something is valid or not.)

I see now that it uses rng mode to update the validity status in the
mode line, and I can confirm that it reports that this document is
valid.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#32792; Package emacs. (Tue, 30 Nov 2021 14:34:01 GMT) Full text and rfc822 format available.

Message #20 received at 32792 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Jean-Christophe Helary <brandelune <at> gmail.com>
Cc: 32792 <at> debbugs.gnu.org
Subject: Re: bug#32792: 27.0.50; invalid XML character considered as valid
 in nxml validation
Date: Tue, 30 Nov 2021 15:33:29 +0100

Jean-Christophe Helary <brandelune <at> gmail.com> writes:

> This XML is considered valid by nxml validation:
>
> <xml>
>   <invalid>
>   (): invalid XML character (Unicode: 0x1f)
> </invalid>
> </xml>

According to XML 1.1, that's a valid XML character:

https://www.w3.org/TR/xml11/#charsets

So I don't think there's anything to fix.  (But parsers using following
older XML standards will disagree.)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
Added tag(s) notabug. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Tue, 30 Nov 2021 14:34:02 GMT) Full text and rfc822 format available.
bug closed, send any further explanations to 32792 <at> debbugs.gnu.org and Jean-Christophe Helary <brandelune <at> gmail.com> Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Tue, 30 Nov 2021 14:34:02 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Wed, 29 Dec 2021 12:24:09 GMT) Full text and rfc822 format available.
This bug report was last modified 3 years and 202 days ago.

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