Sumana Harihareswara, of the Wikimedia Foundation, has started compiling a list of inessential weirdness in open source. (It was inspired by this article, which made me blush: I was a howler more than once in my youth.) My question is, what inessential weirdnesses are we guilty of that aren't already in Sumana's list?

This post originally appeared in the Software Carpentry blog.