Fixed issue where undo/redo wasn't working correctly since contents wasn't trimmed.
Fixed issue where undo/redo wasn't working correctly since contents wasn't trimmed.

Razzwan/tinymce,VioletLife/tinymce,henrythewasp/tinymce,dziemian007/tinymce,fillabs/TinySpecMCE,tinymce/tinymce,leofeyer/tinymce,toxalot/tinymce,nikolas/tinymce,sachgits/tinymce,pmpl-5/tinymce,rednose-public/tinymce,Razzwan/tinymce,leofeyer/tinymce,danielpunkass/tinymce,fashionsun/tinymce,FernCreek/tinymce,ETSI-CTI/TinySpecMCE,ikuchmin/tinymce,kencheung/tinymce,jashua212/tinymce,aduth/tinymce,1099511627776/tinymce,rbecheras/tinymce,Shopify/tinymce,1099511627776/tinymce,bsuh/tinymce,toxalot/tinymce,M4R7iNP/tinymce,simachewh/tinymce,M4R7iNP/tinymce,ice8lue/tinymce,rxl194/tinymce,danchr/tinymce,TeamupCom/tinymce,sjbufton/tinymce,tinymce/tinymce,fillabs/TinySpecMCE,shilpi230/tinymce,danielpunkass/tinymce,widgetfactory/tinymce,howanghk/tinymce,nbcp/tinymce,dziemian007/tinymce,fhchina/tinymce,endjin/tinymce,howanghk/tinymce,blakewallan/tinymce,fhchina/tinymce,kencheung/tinymce,support-dot-com/tinymce,Kindling/tinymce,rxl194/tinymce,shilpi230/tinymce,VioletLife/tinymce,adaptiffdesigns/tinymce,Kindling/tinymce,danchr/tinymce,gencer/tinymce,collective/tinymce,gabixdev/tinymce,widgetfactory/tinymce,gencer/tinymce,cclaerhout/tinymce,bsuh/tinymce,cclaerhout/tinymce,ChristophKaser/tinymce,jashua212/tinymce,ice8lue/tinymce,rednose-public/tinymce,sachgits/tinymce,jtark/tinymce,mplank/tinymce,enfold/tinymce,support-dot-com/tinymce,FernCreek/tinymce,tinymce/tinymce,gabixdev/tinymce,Zimbra/tinymce,henrythewasp/tinymce,enfold/tinymce,ikuchmin/tinymce,rbecheras/tinymce,TeamupCom/tinymce,MediehusetTek/tinymce,nikolas/tinymce,MediehusetTek/tinymce,adaptiffdesigns/tinymce,endjin/tinymce,mplank/tinymce,aduth/tinymce,sjbufton/tinymce,blakewallan/tinymce,nbcp/tinymce,collective/tinymce,jtark/tinymce,danielpunkass/tinymce,ChristophKaser/tinymce,FernCreek/tinymce,fashionsun/tinymce,Zimbra/tinymce,pmpl-5/tinymce,ETSI-CTI/TinySpecMCE,simachewh/tinymce