Fix ace/droplet confusion exception in HTML mode.
Fix ace/droplet confusion exception in HTML mode.

PencilCode/pencilcode,PencilCode/pencilcode,cacticouncil/pencilcode,Dinuka2013513/pencilcode,cacticouncil/pencilcode,cacticouncil/pencilcode,cacticouncil/pencilcode,Dinuka2013513/pencilcode,Dinuka2013513/pencilcode,PencilCode/pencilcode,PencilCode/pencilcode,Dinuka2013513/pencilcode