anchor.diff:            buffer))))
   
   (define-command-global install-os-package ()
  -  "Install select packages."
  +  "Install selected packages."
     (assert-package-manager)
     ;; TODO: Allow profile creation.  Need multi-source support for that?
     (let* ((profile (first
  
positive.code:       (error message))))
  
  (define-command-global describe-os-package ()
    "Show description of select packages."
    (assert-package-manager)
    (let* ((packages (prompt
                      :sources '(os-package-source)
  
negative.code:     (operate-os-package "Installing package manifest..." #'ospm:install-manifest profile manifest)))
  
  (define-command-global edit-package-manifest ()
    "Edit selected manifests."
    (assert-package-manager)
    (let ((manifest (first
                     (prompt
  