Am Fri, 26 Feb 2016 11:27:01 +0000 schrieb Joseph Wright:

> New prefixes registered as detailed below.

which triggered me to look at the list.
https://github.com/latex3/latex3/blob/master/l3kernel/l3prefixes.csv

And imho in my case the order is wrong (the prefix is UF and the
package citeall). Also my name is not written correctly. 

It also reminds me of a question: Is there a prefix pattern which
will never be registered so that one can safely use it in
local/private definitions?


-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/