* lib/mathn.rb: mathn library is deprecated on ruby 2.2.

  [Feature #10169][ruby-core:64553]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 08c6ddc887..2754d8cc08 100644
--- a/NEWS
+++ b/NEWS
@@ -121,6 +121,9 @@ with all sufficient information, see the ChangeLog file.
 
 === Stdlib compatibility issues (excluding feature bug fixes)
 
+* lib/mathn.rb
+  * Show deprecated warning [Feature #10169]
+
 * ext/date/lib/date/format.rb
   * Removed because it's empty file.