public boolean isBlank() {
		if (blank == null) {
			blank = Boolean.valueOf(StringUtil.isBlank(nodeValue));
		}
		return blank.booleanValue();
	}
public boolean isBlank() {
		if (blank == null) {
			blank = Boolean.valueOf(StringUtil.isBlank(nodeValue));
		}
		return blank.booleanValue();
	}
public boolean isBlank ( ) { if ( blank == null ) { blank = Boolean . valueOf ( StringUtil . isBlank ( nodeValue ) ) ; } return blank . booleanValue ( ) ; }
Returns <code>true</code> if text content is blank.
Returns <code > true< / code > if text content is blank .