rails/rails — pull request #10763 by senny (2013-05-26 13:37:49+00:00)
Title: `Array#to_sentence` ignores `blank?` items.

Fixes #10758

This is a patch that `Array#to_sentence` ignores `blank?` elements. Even if this is not the desired behavior I will update the PR to include a test with blank elements. We should lock down the expected behavior.