({
	async init() {
		await delayedStartupPromise;
		var code = Cu.readUTF8URI(Services.io.newURI(
			"chrome://user_chrome_files/content/custom_scripts/google-translate.js"
		));
		var addEventListener = (...args) => {
			var trg = args[3];
			if (!trg) trg = args[3] = window;
			trg.addEventListener(...args);
			this.handlers.push(args);
		}
		new Function(
			"_id,xhtmlns,addDestructor,addEventListener,gClipboard", code
		).call(
			this, "ucf-cbinit-google-translate", "http://www.w3.org/1999/xhtml",
			() => {}, addEventListener, {read: () => readFromClipboard()}
		);
		addEventListener("unload", this, {once: true});
	},
	handlers: [],
	handleEvent() {
		for(var args of this.handlers)
			args.pop().removeEventListener(...args);
		delete this.handlers;
	}
}).init();

...

			//encodeURIComponent(`[${v1 + (v2 || "")}]`), `[/${v1}]`, v2 == "=%move%"
			encodeURIComponent(`[${v1 + (v2 || "")}]`), encodeURIComponent(`[/${v1}]`), v2 == "=%move%"

...

				//.replace(/%copy%|%move%/, mid) + (move ? "" : mid) + bb2;
				.replace(/%copy%|%move%/, mid) + (move ? "" : mid) + decodeURIComponent(bb2);

...

			//+ `'${encodeURIComponent(bb1)}', '${bb2}', ${move});`
			+ `'${encodeURIComponent(bb1)}', '${encodeURIComponent(bb2)}', ${move});`

...

3.0.5.     #     |Скрытый текст|#|||data:image/png;base64,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

(async (searchSelect, popup) => (popup = 
	searchSelect.closest("menupopup")).addEventListener("popupshowing", {

	topic: "browser-search-engine-modified",
	defaultImg: "chrome://browser/skin/search-engine-placeholder.png",
	handleEvent(e) {
		if (searchSelect.hidden) return;

		var menu = document.createXULElement("menu");
		menu.className = "menu-iconic";
		menu.ePopup = menu.appendChild(document.createXULElement("menupopup"));
		menu.onclick = this.search;
		searchSelect.collapsed = true;
		searchSelect.before(menu);

		addEventListener("unload", () => {
			popup.removeEventListener("popupshowing", this);
			this.handleEvent == this.handler &&
				Services.obs.removeObserver(this, this.topic);
		}, {once: true});

		this.handler = () => menu.hidden = searchSelect.hidden;
		this.handlerRebuild = () => this.handler() || this.rebuild(menu);
		this.rebuild(menu);
	},
	async rebuild(menu) {
		var de = Services.search.defaultEngine;
		de = de.wrappedJSObject || de;
		this.setAttrs(menu, de, `Искать в ${de.name} или в ...`);
		menu.ePopup.textContent = "";
		for(var engine of await Services.search.getVisibleEngines()) {
			if (engine == de) continue;
			var menuitem = document.createXULElement("menuitem");
			menuitem.className = "menuitem-iconic";
			this.setAttrs(menuitem, engine);
			menu.ePopup.append(menuitem);
		}
		this.handleEvent = this.handler;
		Services.obs.addObserver(this, this.topic, false);
	},
	setAttrs(node, engine, label = engine.name) {
		node.engine = engine;
		node.setAttribute("label", label);
		node.setAttribute("image", engine.iconURI ? engine.iconURI.spec : this.defaultImg);
	},
	observe() {
		this.handleEvent = this.handlerRebuild;
		Services.obs.removeObserver(this, this.topic);
	},
	search(e) {
		var {engine} = e.target;
		if (!engine) return;
		var submission = engine.getSubmission(
			searchSelect.searchTerms, null, "contextmenu"
		);
		submission && openLinkIn(submission.uri.spec, "tab", {
			postData: submission.postData,
			inBackground: e.button > 0,
			relatedToCurrent: true,
			triggeringPrincipal: searchSelect.principal
		});
		e.button != 1 && popup.state == "open" && popup.hidePopup();
	}
}))(document.getElementById("context-searchselect"));

...
		for(var hbox of this.lastChild.querySelectorAll(
			":not(#ucf-cbbtn-BBCode-node7) > button > hbox"
		)) {
			hbox.removeAttribute("pack");
			hbox.style.paddingLeft = "16px";
		}

...
	async bbc(trg) {
		var v1 = trg.getAttribute("value1");
		if (!v1) return;

		var win = trg.ownerGlobal;
		var v2 = trg.getAttribute("value2");
		var dc = "", plus = false;
		if (v2) {
			var re = /%(\+)?(d)?clipboard%/;
			if (re.test(v2)) {
				var {$1, $2, leftContext} = RegExp;
				var cb = await win.navigator.clipboard.readText();
				if ($2) {
					if ($1) { // +dclip
						plus = true;
						var r = v2.slice(leftContext.length);
						v2 = "=" + leftContext;
						dc = r.replace(re, cb);
					}
					else { // dclip
						dc = v2.replace(re, cb);
						v2 = false;
					}
				}
				// clip
				else if (!$1) v2 = "=" + v2.replace(re, cb);
			}
			else v2 = "=" + v2;
		}
		win.gBrowser.selectedBrowser.messageManager.loadFrameScript(this.url(
			encodeURIComponent(`[${v1 + (v2 || "")}]${dc}`), encodeURIComponent(`[/${v1}]`),
			v2 == "=%move%", v2 === false || plus
		), false);
	},

3.0.9.Font Mono|Моношрифт|font|monospace%+dclipboard%||data:image/x-icon;base64,AAABAAEAEBAAAAEAIABoBAAAFgAAACgAAAAQAAAAIAAAAAEAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADXgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP///////////9eDAP/XgwD/14MA/9eDAP/XgwD/14MA////////////14MA/9eDAP/XgwD/14MA/9eDAP/XgwD////////////XgwD/14MA/9eDAP/XgwD/14MA/9eDAP///////////9eDAP/XgwD/14MA/9eDAP/XgwD/14MA////////////14MA/9eDAP///////////9eDAP/XgwD////////////XgwD/14MA/9eDAP/XgwD/14MA/9eDAP///////////9eDAP/XgwD////////////XgwD/14MA////////////14MA/9eDAP/XgwD/14MA/9eDAP/XgwD////////////XgwD/14MA////////////14MA/9eDAP///////////9eDAP/XgwD/14MA/9eDAP/XgwD/14MA////////////14MA///////////////////////XgwD////////////XgwD/14MA/9eDAP/XgwD/14MA/9eDAP//////////////////////////////////////////////////////14MA/9eDAP/XgwD/14MA/9eDAP/XgwD//////////////////////9eDAP/XgwD//////////////////////9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/////////////////9eDAP/XgwD/14MA/9eDAP/////////////////XgwD/14MA/9eDAP/XgwD/14MA/9eDAP///////////9eDAP/XgwD/14MA/9eDAP/XgwD/14MA////////////14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/14MA/9eDAP/XgwD/AACsQQAArEEAAKxBAACsQQAArEEAAKxBAACsQQAArEEAAKxBAACsQQAArEEAAKxBAACsQQAArEEAAKxBAACsQQ==