On Aug 26, 2013, at 12:44 PM, Drew Adams <drew.adams@oracle.com> wrote:

>> One .el file I currently have uses "assoc" which is obsolete
> 
> Just to be sure:
> 
> When you say one of your files "uses `assoc'", do you mean it uses the
> function `assoc' or it requires the library `assoc.el'?
> 
> AFAIK, function `assoc' is not obsolete.
> But library `assoc.el' is obsolete.

yasnippet.el (the version I have) does (require 'assoc)