Issue #15819 has been reported by tad (Tadashi Saito).

----------------------------------------
Bug #15819: cannot read document of File::NULL with ri File::NULL
https://bugs.ruby-lang.org/issues/15819

* Author: tad (Tadashi Saito)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 
* Backport: 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------




-- 
https://bugs.ruby-lang.org/

Unsubscribe: <mailto:ruby-core-request / ruby-lang.org?subject=unsubscribe>
<http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>