Special characters not display well when trying to rename a file to a duplicate name

[ghost]

Steps to reproduce

1.Create a file. For example:
file " < >.txt
2.Create a another file. For example:
file a.txt
3.Try to rename the second file with the same as the first one.
4.Check the tooltip message. The special characters were not displayed correctly.
5. Also check the tooltip message when trying to create a file with a duplicate name.

Expected behaviour

Display the special characters well.

Actual behaviour

The special characters were not displayed correctly.

Server configuration

Operating system:
CentOS 7 x86_64
Linux 10.211.55.9 3.10.0-327.el7.x86_64 #1 SMP Thu Nov 19 22:10:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Web server:
httpd-2.4.6-40.el7.centos.4.x86_64

Database:
sqlite3

PHP version:
PHP 5.4.16 (cli) (built: Aug 11 2016 21:24:59)

Nextcloud version: (see Nextcloud admin page)
Nextcloud 10.0 (stable)

Updated from an older Nextcloud/ownCloud or fresh install:

Where did you install Nextcloud from:

Signing status:

List of activated apps:

The content of config/config.php:

Are you using external storage, if yes which one: local/smb/sftp/...

Are you using encryption: yes/no
no

Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...
no

Client configuration

Browser:
Firefox ESR 38.3.0

Operating system:
CentOS 7 x86_64

Logs

Web server error log

Nextcloud log (data/nextcloud.log)

Browser log