Baguette.user.js

// ==UserScript==
// @name        Baguette
// @namespace   https://translate.google.com/#auto/en/baguette
// @include     *://*
// @version     1
// @grant       none
// @require     http://cdnjs.cloudflare.com/ajax/libs/xregexp/2.0.0/xregexp-min.js
// @require     http://xregexp.com/addons/unicode/unicode-base.js
// @require     http://xregexp.com/addons/unicode/unicode-properties.js
// ==/UserScript==

((f,r,x)=>f(f,r,x))((f,r,x)=>["title","alt","value"].map(s=>r.hasAttribute(s)?r.setAttribute(s,x(r.getAttribute(s))):0)==[].slice.call(r.childNodes).map(p=>p.nodeType==1&&["script","style"].indexOf(p.nodeName)==-1?f(f,p,x):p.nodeType==3?r.replaceChild(document.createTextNode(x(p.nodeValue)),p):0),document.documentElement,s=>s.split(/\s/).map(q=>Math.random()<.1&&XRegExp("^\\p{L}").test(q)?q.replace(XRegExp("\\p{L}+"),(r=>r==r.toUpperCase())(q.match(XRegExp("^\\p{L}"))[0])?"Baguette":"baguette"):q).join(" "))