oldColumnX = columnX = getXAtOffset(
int oldColumnX = columnX = getXAtOffset(
void doSelectionPageDown(int lines) {	int oldColumnX;	int caretLine = getCaretLine();	int lineStartOffset = content.getOffsetAtLine(caretLine);		// reset columnX on selection	oldColumnX = columnX = getXAtOffset(		content.getLine(caretLine), caretLine, caretOffset - lineStartOffset);	doPageDown(true, lines);	columnX = oldColumnX;}