Changes by: Aleksey Nogin (nogin at metaprl.org)
Date: 2007-05-29 09:46:06 -0700 (Tue, 29 May 2007)
Revision: 10827
Log message:

      Include the function name in the "index is out of bounds" messages for the
     nth-{hd,tl} functions (merges rev. 10826 from the 0.9.8.x).