+(define-compatible-function-alias 'interactive-form
+ 'function-interactive) ;GNU 21.1
+(define-compatible-function-alias 'assq-delete-all
+ 'remassq) ;GNU 21.1
+
+(define-compatible-function-alias 'line-beginning-position 'point-at-bol)
+(define-compatible-function-alias 'line-end-position 'point-at-eol)
+