I18N: Merge duplicate "authenticity could not be verified" strings, fix comma placement on About page.

Props pedromendonca, garrett-eclipse.
Fixes #47475.
Built from https://develop.svn.wordpress.org/trunk@45515


git-svn-id: http://core.svn.wordpress.org/trunk@45326 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/about.php

@@ -97,7 +97,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 			</div>
 			<div class="column is-vertically-aligned-center">
 				<h3><?php _e( 'PHP Error Protection' ); ?></h3>
-				<p><?php _e( 'This administrator-focused update will let you safely fix or manage fatal errors without requiring developer time. It features better handling of the so-called “white screen of death,” and a way to enter recovery mode,  which pauses error-causing plugins or themes.' ); ?></p>
+				<p><?php _e( 'This administrator-focused update will let you safely fix or manage fatal errors without requiring developer time. It features better handling of the so-called “white screen of death”, and a way to enter recovery mode, which pauses error-causing plugins or themes.' ); ?></p>
 			</div>
 		</div>
 

wp-admin/includes/file.php

@@ -1218,8 +1218,8 @@ function verify_file_signature( $filename, $signatures, $filename_for_errors = f
 			return new WP_Error(
 				'signature_verification_unsupported',
 				sprintf(
-					/* translators: 1: The filename of the package. */
-					__( 'The authenticity of %1$s could not be verified as signature verification is unavailable on this system.' ),
+					/* translators: %s: The filename of the package. */
+					__( 'The authenticity of %s could not be verified as signature verification is unavailable on this system.' ),
 					'<span class="code">' . esc_html( $filename_for_errors ) . '</span>'
 				),
 				array(

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45507';
+$wp_version = '5.3-alpha-45515';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.