import { op } from "https://deno.land/x/ddc_vim@v4.3.1/deps.ts";
const { diffexpr } = op;
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.
(default "")
not available when compiled without the +diff feature