question: public boolean scrollToCaret ( ) { int line = getCaretLine ( ) ; int lineStart = getLineStartOffset ( line ) ; int offset = Math . max ( 0 , Math . min ( getLineLength ( line ) - 1 , getCaretPosition ( ) - lineStart ) ) ; return scrollTo ( line , offset ) ; }
target:  Ensures that the caret is visible by scrolling the text area if necessary.