anchor.diff:  				     (find-library-version (library project) version)
   				     (first (library-versions (library project))))))
   	    ;; Load libraries metadata
  -	    (load-library-version library-version)
  +	    (load-library-version-metadata library-version)
   
   	    ;; Calculate list of library-versions involved
   	    (let ((library-versions-involved
  
positive.code: 			     (find-library-version library version)
  			     (first (library-versions library)))))
      ;; Load libraries metadata
      (load-library-version library-version)
  
      ;; Calculate list of library-versions involved
      (let ((library-versions-involved
  
negative.code: 				   (find-library-version (library project) version)
  				   (first (library-versions (library project))))))
  	  ;; Load libraries metadata
  	  (load-library-version-metadata library-version)
  
  	;; Calculate list of library-versions involved
  	(let ((library-versions-involved
  