[Standards] roster schema
m at tthias.eu
Sun Jun 24 13:39:21 UTC 2007
Joe Hildebrand schrieb:
> +1 for limiting it.
> However, 1024 octets please, rather than characters, like JIDs.
+1 for limiting it
... but please based on characters, not on octets. (I also voted against
limiting JIDs based on octets.)
- Modern database systems as well as modern programming languages do
store characters, not bytes.
- XMPP is based on top of XML and XML does handle characters, not bytes.
(e.g. you cannot store a NULL byte in XML, even not as an entity)
- A limitation based on characters is what a user will expect. (e.g.
"Why can I enter 1024 times the letter 'a' here but only 341 times the
- In GUI forms you can often already limit the number of characters a
user can enter, but mostly you cannot limit the number of octets the
UTF-8 representation of the string the user has entered.
... I'd even propose that the JID limitation should be changed to
characters in RFC3920bis.
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