BUG #15872: copy command does not skip special character

The following bug has been logged on the website:

Bug reference:      15872
Logged by:          Иван Лихачёв
Email address:      ivanlikhachjov@rambler.ru
PostgreSQL version: 10.6
Operating system:   Windows 10
Description:

Bug description can be found at the link
https://redmine.postgresql.org/issues/4384