import { op } from "https://deno.land/x/ddc_vim@v3.4.0/deps.ts";
const { winfixheight } = op;
Keep the window height when windows are opened or closed and 'equalalways' is set. Also for |CTRL-W_=|. Set by default for the |preview-window| and |quickfix-window|. The height may be changed anyway when running out of room.