On 29/08/2011, at 3:09 AM, Philipp Stephani wrote: >> l3names.sty 9999/99/99 v999 L3 Experimental namespace for primitives > > Where do these version numbers come from? This should only appear if you're using (like me) the SVN code checked out via Git. As far as I know they should never be propagating to a CTAN release? -- Will