diff -u b/core/modules/system/system.install b/core/modules/system/system.install
--- b/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -759,7 +759,7 @@
         'description' => 'A named collection of key and value pairs.',
         'type' => 'varchar',
         'length' => 128,
-		'is_ascii' => TRUE,
+        'is_ascii' => TRUE,
         'not null' => TRUE,
         'default' => '',
       ),
@@ -767,7 +767,7 @@
         'description' => 'The key of the key-value pair. As KEY is a SQL reserved keyword, name was chosen instead.',
         'type' => 'varchar',
         'length' => 128,
-		'is_ascii' => TRUE,
+        'is_ascii' => TRUE,
         'not null' => TRUE,
         'default' => '',
       ),
@@ -788,7 +788,7 @@
         'description' => 'A named collection of key and value pairs.',
         'type' => 'varchar',
         'length' => 128,
-		'is_ascii' => TRUE,
+        'is_ascii' => TRUE,
         'not null' => TRUE,
         'default' => '',
       ),
@@ -797,7 +797,7 @@
         'description' => 'The key of the key/value pair.',
         'type' => 'varchar',
         'length' => 128,
-		'is_ascii' => TRUE,
+        'is_ascii' => TRUE,
         'not null' => TRUE,
         'default' => '',
       ),