public boolean undoIt() {
try {
document.deleteCommand(position, strng.length());
} catch (Exception e) {
return false;
} // try
return true;
} // undoIt()
/**
* Perform the command encapsulated by this object.
*
* @return true if this call to doCommand was successful and can be undone.
*/
public boolean doIt() {
try {
document.insertStringCommand(position, strng);
} catch (Exception e) {
return false;
} // try
return true;
} // doIt()