Normalise <br>/<#text> on setHTML and paste
Normalise <br>/<#text> on setHTML and paste

Make sure all the block level elements have either a <br> or an empty text node
in the right place, as required by the browser.

StileEducation/Squire,yuhange/Squire,Endika/Squire,StileEducation/Squire,gertsonderby/Squire,natejenkins/squire,xfra35/Squire,nsartor/Squire,nsartor/Squire,lzhengms/Squire,yuhange/Squire,lzhengms/Squire,xiamidaxia/Squire,InteractiveIntelligence/Squire,ProtonMail/Squire,ProtonMail/Squire,xfra35/Squire,gertsonderby/Squire,Endika/Squire,natejenkins/squire,xiamidaxia/Squire,neilj/Squire,neilj/Squire,InteractiveIntelligence/Squire