Parameter syntax:
'previousChar'|'nextChar'|'previousWord'|'nextWord'| 'previousTextNode'|'nextTextNode'|'previousElement'| 'nextElement'|'textNodeBegin'|'textNodeEnd'| 'elementBegin'|'elementEnd'|'documentBegin'| 'documentEnd'|'lineBegin'|'lineEnd'|'previousLine'| 'nextLine'|'wordBegin'|'wordEnd'
Moves caret to specified location.