> -In this case, we try to ignore minor-modes, and only return a
> +In this case, we try to ignore minor-modes, and return only a

> -Only used by `save-buffer'."
> +Used only by `save-buffer'."

> -This function only handles buffers that are visiting files.
> +This function handles only buffers that are visiting files.

> -This variable only applies to buffers where `buffer-file-name' is
> +This variable applies only to buffers where `buffer-file-name' is

> -This function only handles buffers that are visiting files.
> +This function handles only buffers that are visiting files.

Just out of curiosity, in what sense is that "fixing a grammar error"?