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/**
 * Controlling Undo with doScript
 *
 * InDesign gives you the ability to undo almost every action, but this comes at a price: for almost every
 * action you make, InDesign writes to disk. For normal work you using the tools presented by the user
 * interface, this does not present any problem. For scripts, which can perform thousands of actions in the
 * time a human being can blink, the constant disk access can be a serious drag on performance.
 * The doScript method offers a way around this performance bottleneck by providing two parameters that
 * control the way that scripts are executed relative to InDesign’s Undo behavior. These parameters are
 * shown in the following examples:

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/**
 * Implements hook_wysiwyg_editor_settings_alter().
 */
function hook_wysiwyg_editor_settings_alter(&$settings, $context) {
  if ($context['profile']->editor == 'tinymce') {
    // Add custom styles for the styleselect plugin.
    if (!isset($settings['style_formats'])) {
      $settings['style_formats'] = array();
    }
    $settings['style_formats'][] = array('title' => t('Image left aligned'), 'selector' => 'img', 'classes' => 'image-align-left');