64623 prevent losing data when clicking links on settings page

src/wp-admin/admin-footer.php

@@ -33,9 +33,10 @@
 	<p id="footer-left" class="alignleft">
 		<?php
 		$text = sprintf(
-			/* translators: %s: https://wordpress.org/ */
-			__( 'Thank you for creating with <a href="%s">WordPress</a>.' ),
-			esc_url( __( 'https://wordpress.org/' ) )
+			/* translators: 1: https://wordpress.org/, 2: confirmation message. */
+			__( 'Thank you for creating with <a href="%1$s" onclick="javascript:return confirm(\'%2$s\');">WordPress</a>.' ),
+			esc_url( __( 'https://wordpress.org/' ) ),
+			esc_js( __( "Are you sure you want to leave this page?\n 'Cancel' to stay, 'OK' to leave." ) )
 		);
 
 		/**

src/wp-admin/options-general.php

@@ -249,9 +249,11 @@ class="<?php echo esc_attr( $classes_for_button ); ?>"
 <p class="description" id="home-description">
 		<?php
 		printf(
-			/* translators: %s: Documentation URL. */
-			__( 'Enter the same address here unless you <a href="%s">want your site home page to be different from your WordPress installation directory</a>.' ),
-			__( 'https://developer.wordpress.org/advanced-administration/server/wordpress-in-directory/' )
+			/* translators: 1: Documentation URL. 2: Confirmation message. */
+			__( 'Enter the same address here unless you <a href="%1$s" onclick="javascript:return confirm(\'%2$s\');">want your site home page to be different from your WordPress installation directory</a>.' ),
+			__( 'https://developer.wordpress.org/advanced-administration/server/wordpress-in-directory/' ),
+			/* translators: %s: confirmation message. */
+			esc_js( __( "Are you sure you want to leave this page?\n 'Cancel' to stay, 'OK' to leave." ) )
 		);
 		?>
 </p>
@@ -547,7 +549,7 @@ class="<?php echo esc_attr( $classes_for_button ); ?>"
 		'<p><strong>' . __( 'Preview:' ) . '</strong> <span class="example">' . date_i18n( get_option( 'time_format' ) ) . '</span>' .
 		"<span class='spinner'></span>\n" . '</p>';
 
-	echo "\t<p class='date-time-doc'>" . __( '<a href="https://wordpress.org/documentation/article/customize-date-and-time-format/">Documentation on date and time formatting</a>.' ) . "</p>\n";
+	echo "\t<p class='date-time-doc'>" . sprintf( __( '<a href="https://wordpress.org/documentation/article/customize-date-and-time-format/" onclick="javascript:return confirm(\'%s\');">Documentation on date and time formatting</a>.' ), esc_js( __( "Are you sure you want to leave this page?\n 'Cancel' to stay, 'OK' to leave." ) ) ) . "</p>\n";
 ?>
 	</fieldset>
 </td>

src/wp-admin/options-permalink.php

@@ -222,9 +222,10 @@
 <p>
 <?php
 printf(
-	/* translators: %s: Documentation URL. */
-	__( 'WordPress offers you the ability to create a custom URL structure for your permalinks and archives. Custom URL structures can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="%s">number of tags are available</a>, and here are some examples to get you started.' ),
-	__( 'https://wordpress.org/documentation/article/customize-permalinks/' )
+	/* translators: 1: Documentation URL. 2: Confirmation message. */
+	__( 'WordPress offers you the ability to create a custom URL structure for your permalinks and archives. Custom URL structures can improve the aesthetics, usability, and forward-compatibility of your links. A <a href="%1$s" onclick="javascript:return confirm(\'%2$s\');">number of tags are available</a>, and here are some examples to get you started.' ),
+	__( 'https://wordpress.org/documentation/article/customize-permalinks/' ),
+	esc_js( __( "Are you sure you want to leave this page?\n 'Cancel' to stay, 'OK' to leave." ) )
 );
 ?>
 </p>

src/wp-admin/options-reading.php

@@ -197,9 +197,10 @@
 	<p class="description">
 		<?php
 		printf(
-			/* translators: %s: Documentation URL. */
-			__( 'Your theme determines how content is displayed in browsers. <a href="%s">Learn more about feeds</a>.' ),
-			__( 'https://developer.wordpress.org/advanced-administration/wordpress/feeds/' )
+			/* translators: 1: Documentation URL. 2: Confirmation message. */
+			__( 'Your theme determines how content is displayed in browsers. <a href="%1$s" onclick="javascript:return confirm(\'%2$s\');">Learn more about feeds</a>.' ),
+			__( 'https://developer.wordpress.org/advanced-administration/wordpress/feeds/' ),
+			esc_js( __( "Are you sure you want to leave this page?\n 'Cancel' to stay, 'OK' to leave." ) )
 		);
 		?>
 	</p>

src/wp-admin/options-writing.php

@@ -219,9 +219,10 @@
 	<p><label for="ping_sites">
 		<?php
 		printf(
-			/* translators: %s: Documentation URL. */
-			__( 'When you publish a new post, WordPress automatically notifies the following site update services. For more about this, see the <a href="%s">Update Services</a> documentation article. Separate multiple service URLs with line breaks.' ),
-			__( 'https://developer.wordpress.org/advanced-administration/wordpress/update-services/' )
+			/* translators: 1: Documentation URL. 2: Confirmation message. */
+			__( 'When you publish a new post, WordPress automatically notifies the following site update services. For more about this, see the <a href="%1$s" onclick="javascript:return confirm(\'%2$s\');">Update Services</a> documentation article. Separate multiple service URLs with line breaks.' ),
+			__( 'https://developer.wordpress.org/advanced-administration/wordpress/update-services/' ),
+			esc_js( __( "Are you sure you want to leave this page?\n 'Cancel' to stay, 'OK' to leave." ) )
 		);
 		?>
 	</label></p>