Merge pull request #780 from kangax/issue-777
authorAlex Lam S.L <alexlamsl@gmail.com>
Wed, 8 Feb 2017 01:20:49 +0000 (09:20 +0800)
committerGitHub <noreply@github.com>
Wed, 8 Feb 2017 01:20:49 +0000 (09:20 +0800)
preserve non-breaking spaces during collapseWhitespace


Trivial merge