Fix issue where a node would be underlined, even though its parent is underlined.
Fix issue where a node would be underlined, even though its parent is underlined.

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