Re: XML with invalid chars - Mailing list pgsql-hackers

From Noah Misch
Subject Re: XML with invalid chars
Date
Msg-id 20110511230026.GA32283@tornado.gateway.2wire.net
Whole thread Raw
In response to Re: XML with invalid chars  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: XML with invalid chars  (Andrew Dunstan <andrew@dunslane.net>)
List pgsql-hackers
On Wed, May 11, 2011 at 06:17:07PM -0400, Andrew Dunstan wrote:
> On 05/09/2011 11:25 PM, Noah Misch wrote:
>> SELECT xmlcomment(E'\ufffe');
>
> That's a bit harder. Do we want to extend these checks to cover  
> surrogates and end of plane characters, which are the remaining  
> forbidden chars? It certainly seems likely to be a somewhat slower test  
> since I think we'd need to process the input strings a Unicode char at a  
> time, but we do that in other places and it seems acceptable. What do  
> people think?

My thinking was that we should only make this flag day for xml-type users if
we're going to fix it all the way.


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