$items
$tic
$find
$replace
$post

if ( $tic->is_eligible($custom_toc_position) ) {

                extract( $args );

                $items = $tic->extract_headings( $find, $replace,wptexturize($post->post_content) );
                $title = ( array_key_exists('title', $instance) ) ? apply_filters('widget_title', $instance['title']) : '';
                if ( strpos($title, '%PAGE_TITLE%') !== false ) $title = str_replace( '%PAGE_TITLE%', get_the_title(), $title );
                if ( strpos($title, '%PAGE_NAME%') !== false ) $title = str_replace( '%PAGE_NAME%', get_the_title(), $title );
                $hide_inline = $toc_options['show_toc_in_widget_only'];

                $css_classes = '';
                // bullets?
                if ( $toc_options['bullet_spacing'] )
                    $css_classes .= ' have_bullets';
                else
                    $css_classes .= ' no_bullets';

                if ( $items ) {
                    // before widget (defined by themes)
                    echo $before_widget;

                    // display the widget title if one was input (before and after titles defined by themes)
                    if ( $title ) echo $before_title . $title . $after_title;

                    // display the list
                    echo '<ul class="toc_widget_list' . $css_classes . '">' . $items . '</ul>';

                    // after widget (defined by themes)
                    echo $after_widget;
                }

$items = '>'.$items
$tic = '>'.$tic
$find = '>'.$find
.
.
.