We were building an app to sign up for a toll road that shipped electronic tags to the users, circa 2008. <input name="tag" id="tag" this failed in IE with

We were building an app to sign up for a toll road that shipped electronic tags to the users, circa 2008. <input name="tag" id="tag" this failed in IE with very strange results. Took a long time to realize we had hit a browser bug and change it to: <input name="tagx" id="tagx" which worked fine.