Foreign object inclusion WAS: Namespaces, Architectural Forms, and Sub-Documents

[Peter Murray-Rust]

Posted on behalf of Ross Moore

>Return-Path: <ross at mpce.mq.edu.au>
>X-Sender: ross at zeus.mpce.mq.edu.au
>Date: Fri, 6 Feb 1998 21:43:43 +1100
>To: peter at ursus.demon.co.uk
>From: Ross Moore <ross at mpce.mq.edu.au>
>Subject: Re: Foreign object inclusion WAS: Namespaces, Architectural   
> Forms, and Sub-Documents
>
[... request for posting ...]
>
>
>After receiving Tim's last posting I engaged in an email conversation
>with myself, attached here...
>
>At 10:57 AM +1100 2/6/98, Ross Moore wrote:
>>Hello Tim
>>
>>Is there any reason why a mailer produced 8 copies of the message +
attachment
>>from you (appended below) ?
>>It was  Eudora Pro for Macintosh PPC (which automatically decoded OK).
>>The Unix mail-server only received 1 copy.
>>
>>Could it be that the contents has triggered a side-effect,
>>detrimental to an external structure ...
>>
>>Marcus Carr wrote:
>>>> In other words, inlining uuencoded objects is a kludge...
>>>
>>>Unless you plan to write an application to confirm that your embedded
>>>fragments
>>>aren't detrimental to your structure, I would advise against this. Even
>>>if the
>>>fragment wasn't detrimental to your structure, it may be to someone who
>>>wants to
>>>reuse a chunk of your data, adding a dangerous level of uncertainty to your
>>>documents.
>>
>>
>>If this reply causes a similar repetition, then we'll know that such
>>problems indeed can exist.   ;-)
>
>Yes indeed there is such a problem, because the quoted base 64 portion
>is being regarded as an attachment needing decoding.
>It no longer has the correct checksum, due to the quoting with `> '.
>
>The automatic POP retreive from the Unix server was failing.
>Each 20 mins (or so) it tries again and also fails.
>The 8 copies simply counts how many times it tried before I could
>address the problem manually.
>
>
>> `b`e`g`i`n 644 para
>> M66]U(&%R92!Q=6ET92!R:6=H="!T:&%T('1H:7,@:7,@;&5G86P at 6$U,(&]R
>> M(%-'34P at +2T@=&AA="=S(&]N92!V86QI9`IU<V4@;V8 at 3D]4051)3TX at 871T
>> J<FEB=71E<RX at 2&5R92=S('1H:7,@<&%R86=R87!H(%5514Y#3T1%1#H*
>> `
>> end
>
>(Here I've doctored the  `begin' into `b`e`g`i`n  to prevent this
>happening again.)
>
>
>[added later]
>Doubled `>'s, as in Peter's last mail, do not cause this effect:
>
>>> <object notation="uuencoded">
>>> begin 644 para
>>> M66]U(&%R92!Q=6ET92!R:6=H="!T:&%T('1H:7,@:7,@;&5G86P at 6$U,(&]R
>>> M(%-'34P at +2T@=&AA="=S(&]N92!V86QI9`IU<V4@;V8 at 3D]4051)3TX at 871T
>>> J<FEB=71E<RX at 2&5R92=S('1H:7,@<&%R86=R87!H(%5514Y#3T1%1#H*
>>> `
>>> end
>>> </object>
>
>
>
>Is there a lesson here ?
>
>
>Regards,
>
>	Ross Moore
>
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>Ross Moore                             email: ross at mpce.mq.edu.au
>Mathematics Department                 phone:      +612 9850 8955
>Macquarie University                     fax:      +612 9850 8114
>Sydney, NSW 2109                    Internet:
>Australia                   http://www-math.mpce.mq.edu.au/~ross/
>
>                ***************************
>
>for the best in (La)TeX-nical typesetting and Web page production
>join the  TeX Users Group (TUG) --- browse at  http://www.tug.org
>
>                 <ross.moore at mail.tug.org>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
Peter Murray-Rust, Director Virtual School of Molecular Sciences, domestic
net connection
VSMS http://www.nottingham.ac.uk/vsms, Virtual Hyperglossary
http://www.venus.co.uk/vhg

xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev at ic.ac.uk
Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/
To (un)subscribe, mailto:majordomo at ic.ac.uk the following message;
(un)subscribe xml-dev
To subscribe to the digests, mailto:majordomo at ic.ac.uk the following message;
subscribe xml-dev-digest
List coordinator, Henry Rzepa (mailto:rzepa at ic.ac.uk)