[#33814] Plugin SEF do not respect the custom attributes  

How to test:
put next code in article: `<div data-src="custom" data-href="another-custom" data-poster="custom"> </div>`
check the result in the browser inspector, there should not be any changes

Link:
[[#33814] Plugin SEF do not respect the custom attributes](http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=33814&start=0)