BUG #14589: Error in creating tablespace

The following bug has been logged on the website:

Bug reference: 14589
Logged by: Dmitry Pradun
Email address: dmitry(dot)pradun(at)qaddress(dot)com
PostgreSQL version: 9.5.4
Operating system: Windows 7 x64 Maximal
Description:

I use postgres 9.5.4 binaries for win7 x64 to initiate my own Postgres
server. When it is initiated, i try to execute the following command:

CREATE TABLESPACE "temp" OWNER postgres LOCATION
'C:\Users\Public\Documents\Éxtended DB'

But the error occurs:

ERROR: 58P01: directory "C:\Users\Public\Documents\Éxtended DB" does not
exist

At the same time, the directory physically is available, it was pre-created.
As i understand, the problem is in the existance in the directory path of
the symbol 'É'. How can the problem be solved?