Re: BUG #16277: xmlelement allows invalid XML characters when XMLversion is set to 1.0

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От Andreas Lennartsson
Тема Re: BUG #16277: xmlelement allows invalid XML characters when XMLversion is set to 1.0
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Msg-id CAOWD6R_V77BhLpBKW0GYRd6XOe6WEBTkZEj4FBMBhGH6JpV_0Q@mail.gmail.com
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Ответ на Re: BUG #16277: xmlelement allows invalid XML characters when XML version is set to 1.0  (Tom Lane <tgl@sss.pgh.pa.us>)
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>On what grounds do you call it invalid?
Based on the valid control characters for XML 1.0 https://en.wikipedia.org/wiki/Valid_characters_in_XML

>What other behavior would you expect?
I would expect valid XML 1.0 to be generated on success.
If that is not possible I would expect an error.

Thanks,

Andreas 

On Tue, Feb 25, 2020 at 2:59 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
PG Bug reporting form <noreply@postgresql.org> writes:
> The following example:
> SELECT
>   xmlroot (
>      xmlelement (name "test", CHR(26))
>   , version '1.0'
>   )

> Produces xml with the invalid ASCII character 26.

On what grounds do you call it invalid?  What other behavior
would you expect?

                        regards, tom lane

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