Fix error when spell-checking an empty text (#1489831)

Aleksander Machniak

2014-04-25 a54cff4c569f74f7ec1b2ab8379b7ad1820a8af9

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.panel_wrapper {height:85px;} 
.panel_wrapper div.current {height:85px;} 
 
/* IE */ 
* html .panel_wrapper {height:100px;} 
* html .panel_wrapper div.current {height:100px;}