Hi could I have some help to fix a problem that a user reported on the extension talk page. The talk page is at http://www.mediawiki.org/wiki/Extension_talk:CollapsibleVector and the title is flickering. I am not sure how to fix the problem I was wandering if someone on here knew how to fix the problem. the source code is at https://git.wikimedia.org/summary/mediawiki%2Fextensions%2FCollapsibleVector