question: private TextImpl firstTextNodeInCurrentRun ( ) { TextImpl firstTextInCurrentRun = this ; for ( Node p = getPreviousSibling ( ) ; p != null ; p = p . getPreviousSibling ( ) ) { short nodeType = p . getNodeType ( ) ; if ( nodeType == Node . TEXT_NODE || nodeType == Node . CDATA_SECTION_NODE ) { firstTextInCurrentRun = ( TextImpl ) p ; } else { break ; } } return firstTextInCurrentRun ; }
target:  Returns the first text or CDATA node in the current sequence of text and CDATA nodes.