import { diffexpr } from "https://deno.land/x/denops_std@v3.10.1/option/mod.ts";
{not available when compiled without the |+diff| feature} Expression which is evaluated to obtain a diff file (either ed-style or unified-style) from two versions of a file. See |diff-diffexpr|. This option cannot be set from a |modeline| or in the |sandbox|, for security reasons.