search for: r5686

I do not closely follow the core source commits, but please bare with me. I will keep it short. Recently, changeset#5685 [1] caught my attention as I''ve been waiting for some date_helper love for a VERY long time. What bothered me is that when this changeset was merged into the 1.2- pre-release branch (at changeset#5686 [2]) a change to caching.rb crept in [3], which was not in