WordPress has an option to do ‘pingbacks’ on links referred to in your blog.

I thought I’d had this turned on for a while, but I don’t really know; at any rate, when upgrading the blog, I found that I’m now pinging back my own blog.

Which, on further reflection, is probably actually a good thing: if I write post A and then have further thoughts about it in post B, I probably want readers of post A to be able to find post B as well.

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