Fix empty CDATA for textarea elements. RE: #2040
Fix empty CDATA for textarea elements. RE: #2040

twiro/symphony-2,johnpuddephatt/symphony-2,avanteweb/symphony-2,ljonka/symphony-2,symphonycms/symphony-2,DavidForster/symphony-2,michael-e/symphony-2,jonmifsud/symphony-2,NikoMostWanted/symphony-2,jurajkapsz/symphony-2,blaXXabla/projet_test_symphony,BloodBrother/symphony-2,blaXXabla/projet_test_symphony,mazedigital/jcilearn,DeuxHuitHuit/symphony-2,twiro/symphony-2,symphonycms/symphony-2,brendo/symphony-2,jurajkapsz/symphony-2,DeuxHuitHuit/symphony-2,bauhouse/sym-todo-list,NikoMostWanted/symphony-2,jensscherbl/symphony,roshinebagha/Symphony-Test,roshinebagha/Symphony-Test,mazedigital/jcilearn,johnpuddephatt/symphony-2,michael-e/symphony-2,DavidForster/symphony-2,ljonka/symphony-2,mazedigital/jcilearn,alexnantel88/symphony-2,brendo/symphony-2,BloodBrother/symphony-2,bauhouse/sym-todo-list,alexnantel88/symphony-2,avanteweb/symphony-2,jensscherbl/symphony,jonmifsud/symphony-2