Method restorePre

app/src/main/java/eu/faircode/email/HtmlHelper.java:2392–2396

(Document document)

    }

    static void restorePre(Document document) {
        document.select("div[x-plain=true]")
                .tagName("pre")
                .removeAttr("x-plain");
    }

    static void removeTrackingPixels(Context context, Document document) {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);