Firefox 35.0 disables header tooltip if text is long

Question

The name pretty much says it all.

If I have an attribute titlewith long text in it (while the HTML element is truncated), the tooltip is disabled. This only happens in Firefox (verified version 35.0 only) from what I see.

Spell here: http://jsfiddle.net/7m58grkg/1/

Also a screenshot of the script in firefox: http://i.imgur.com/mEyzssg.png

Answer 1

, (html/css) . Firefox. Addon (Long Titles by Xavier Robin), , , , , , , .