Sergey Biryukov 4738590d5e Avoid duplicate classes for different terms with UTF-8 slugs in post_class() and body_class().
Fall back to term ID if the sanitized slug is numeric or only contains hyphens.

props SergeyBiryukov, A5hleyRich, sgrant, davideugenepratt.
fixes .

git-svn-id: https://develop.svn.wordpress.org/trunk@31979 602fd350-edb4-49c9-b593-d223f7449a82
2015-04-02 01:04:22 +00:00
2015-03-13 18:11:33 +00:00
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