[3.6] bpo-30928: Update idlelib/NEWS.txt to 2018-05-14. (GH-6873)#6882

Merged

miss-islington merged 1 commit intopython:3.6from

miss-islington:backport-038b21f-3.6

May 16, 2018

Commits on May 15, 2018

bpo-30928: Update idlelib/NEWS.txt to 2018-05-14. (GH-6873)

terryjreedy
authored and
miss-islington
committed