Ticket #34747: 34747.diff

src/wp-admin/customize.php

@@ -133 +133 @@
                                 <div class="accordion-section-title">
                                         <span class="preview-notice"><?php
                                                 echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title site-title">' . get_bloginfo( 'name' ) . '</strong>' );
-                                        ?></span>
-                                        <button class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
+                                        ?></span><?php
+
+                                        /**
+                                         * Filter the description in the primary Customizer panel.
+                                         *
+                                         * @since 4.6
+                                         *
+                                         * @param string $customizer_description Appears at top of primary Customizer panel, under Customizer title.
+                                         */
+                                        $customizer_description = apply_filters( 'customizer_primary_panel_description', __( 'The Customizer allows you to preview changes to your site before publishing them. You can also navigate to different pages on your site to preview them.' ) );
+                                        if ( ! empty( $customizer_description ) ) {
+                                                ?>
+                                                <button class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false">
+                                                        <span class="screen-reader-text"><?php _e( 'Help' ); ?></span>
+                                                </button>
+                                                <?php
+                                        }
+                                        ?>
                                 </div>
                                 <div class="customize-panel-description"><?php
-                                        _e( 'The Customizer allows you to preview changes to your site before publishing them. You can also navigate to different pages on your site to preview them.' );
+                                        echo esc_html( $customizer_description );
                                 ?></div>
                         </div>