wRubyCompat.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
RubyVersion newVersion = wRubyCompat.getSelectionIndex() == 0 ? RubyVersion.RUBY_1_8 : RubyVersion.RUBY_1_9;
syntaxHighlighter.newRubyVersionSelected(newVersion);
parseErrorHelper.newRubyVersionSelected(newVersion);
input.setChanged();
changedInDialog = true;
}