(define-module (lang elisp primitives buffers) #:use-module (ice-9 optargs) #:use-module (lang elisp internals fset)) (fset 'buffer-disable-undo (lambda* (#:optional buffer) 'unimplemented)) (fset 're-search-forward (lambda* (regexp #:optional bound noerror count) 'unimplemented)) (fset 're-search-backward (lambda* (regexp #:optional bound noerror count) 'unimplemented))