When doing a text-affinity comparison between two values where one or both have both...

When doing a text-affinity comparison between two values where one or both have both a text and a numeric type, make sure the numeric type does not confuse the answer.  This is a deeper fix to the problem observed by [forum:/forumpost/3776b48e71|forum post 3776b48e71].  The problem bisects to [25f2246be404f38b] on 2014-08-24, prior to version 3.8.7.

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