Merge branch 'install_38_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_38_STABLE

install/lang/zh_cn/langconfig.php

@@ -31,5 +31,5 @@
 defined('MOODLE_INTERNAL') || die();
 
 $string['parentlanguage'] = '';
-$string['thisdirection'] = 'ltr';
+$string['thisdirection'] = '';
 $string['thislanguage'] = '简体中文';

install/lang/zh_cn/moodle.php

@@ -32,6 +32,6 @@ defined('MOODLE_INTERNAL') || die();
 
 $string['language'] = '语言';
 $string['moodlelogo'] = 'Moodle图标';
-$string['next'] = '向后';
-$string['previous'] = '向前';
+$string['next'] = '下一个';
+$string['previous'] = '上一个';
 $string['reload'] = '重新载入';