add(scrollErrors, constraints);
constraints.gridx++;
// Page contents
listErrors.addMouseListener(
new CheckErrorPageListPopupListener(getWiki(), textPage, buttonValidate));
textPage.setEditable(true);
textPage.addPropertyChangeListener(
MWPane.PROPERTY_MODIFIED,
EventHandler.create(PropertyChangeListener.class, this, "updateComponentState"));
textPage.setPopupListener(new MWPaneCheckWikiPopupListener(