Re: [xml2rfc-dev] When is @ascii required?

[Julian Reschke <[e-mail]>]

On 27.10.2019 19:50, Henrik Levkowetz wrote:
> Hi Carsten,
>
> On 2019-10-27 18:51, Carsten Bormann wrote:
>> (Looking at the source of the message in preptool.py/check_ascii_text, I also don’t understand this:
>>
>>                  if self.tree.docinfo.encoding.lower() in ['us-ascii', ]:
>>                      self.die(c, “Found non-ascii content in a document with xml encoding declared as %s” % self.tree.docinfo.encoding)
>>
>> I don’t understand what the source encoding has to do with this; XML
>> allows me to have beyond-ascii characters in documents the xml
>> encoding of which uses us-ascii (or koi8-r, for that matter).  I
>> think that any access to self.tree.docinfo.encoding at this point in
>> processing is a layer violation.)
>
> It may very well be that the test can be improved, but it was triggered
> by a hard-to-diagnose failure where an XML file had us-ascii encoding
> declared, but contained non-ascii characters.  The RPC didn't manage to
> get a handle on what the problem was that triggered the failures, and it
> also took me a while to understand what was going on.
> ...

That should be an error reported at the time of XML parsing...

Best regards, Julian