anchor.diff:  
   (defpackage bordeaux-threads
     (:nicknames #:bt #:threads)
  -  (:documentation "BORDEAUX-MP is a proposed standard for a minimal
  -  MP/Threading interface. It is similar to the CLIM-SYS threading and
  +  (:documentation "BORDEAUX-THREADS is a proposed standard for a minimal
  +  MP/threading interface. It is similar to the CLIM-SYS threading and
     lock support, but for the following broad differences:
   
     1) Some behaviours are defined in additional detail: attention has
  
positive.code:   single-thread implementations without need of conditionals.
  
    To avoid conflict with existing MP/threading interfaces in
    implementations, these symbols live in the BORDEAUX-MP package.
    Implementations and/or users may also make them visible or exported
    in other more traditionally named packages.")
    (:use #:cl)
  
negative.code:   (:report (lambda (condition stream)
  	     (format stream (message condition)))))
  
  (defgeneric make-threading-support-error ()
    (:documentation "Creates a BORDEAUX-THREADS condition which specifies
    whether there is no BORDEAUX-THREADS support for the implementation, no
    threads enabled for the system, or no support for a particular
    function.")
    (:method ()
  