Revert [40256] for now as some tests are failing in some environments.

See #20383.
Built from https://develop.svn.wordpress.org/trunk@40661


git-svn-id: http://core.svn.wordpress.org/trunk@40524 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/canonical.php

@@ -391,28 +391,12 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
 	// trailing /index.php
 	$redirect['path'] = preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path']);
 
-	$punctuation_pattern = implode( '|', array_map( 'preg_quote', array(
-		' ', '%20',       // space
-		'!', '%21',       // exclamation mark
-		'"', '%22',       // double quote
-		"'", '%27',       // single quote
-		'(', '%28',       // opening bracket
-		')', '%29',       // closing bracket
-		',', '%2C',       // comma
-		'.', '%2E',       // period
-		';', '%3B',       // semicolon
-		'{', '%7B',       // opening curly bracket
-		'}', '%7D',       // closing curly bracket
-		'“', '%E2%80%9C', // opening curly quote
-		'”', '%E2%80%9D', // closing curly quote
-	) ) );
-
-	// Remove trailing spaces and end punctuation from the path.
-	$redirect['path'] = preg_replace( "#($punctuation_pattern)+$#", '', $redirect['path'] );
+	// Remove trailing spaces from the path
+	$redirect['path'] = preg_replace( '#(%20| )+$#', '', $redirect['path'] );
 
 	if ( !empty( $redirect['query'] ) ) {
-		// Remove trailing spaces and end punctuation from certain terminating query string args.
-		$redirect['query'] = preg_replace( "#((p|page_id|cat|tag)=[^&]*?)($punctuation_pattern)+$#", '$1', $redirect['query'] );
+		// Remove trailing spaces from certain terminating query string args
+		$redirect['query'] = preg_replace( '#((p|page_id|cat|tag)=[^&]*?)(%20| )+$#', '$1', $redirect['query'] );
 
 		// Clean up empty query strings
 		$redirect['query'] = trim(preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query']), '&');

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-40660';
+$wp_version = '4.8-alpha-40661';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.