[Standards] XEP-0106: JID\20Escaping

[Joe Hildebrand]

"Real" whitespace isn't allowed at all, and \20 is the only escaped  
whitespace that is permissible.  Therefore, prohibiting \20 at the  
ends is sufficient.


On Jun 3, 2007, at 1:39 PM, Ian Paterson wrote:

> Peter Saint-Andre wrote:
>> 3. A node identifier MUST NOT start with the string \20, which  
>> would be escaped to SP (" ") and therefore mess up transformations  
>> to numerous other systems (and probably also mess with users'  
>> heads). I think \20 is OK at the end of a node identifier but we  
>> might want to discourage that as well.
>
> Yes, we might want to discourage all whitespace characters at the  
> start or end of a node identifier (e.g., non-breaking spaces,  
> tabs...).
>
> - Ian
>