TIL: If you create a post with a title that has uppercase letters, like IR35 - the URL will have those capital letters in your file system, but in the live URL they will be lowercase.
This may be obvious to some, but I had not noticed until I started working on implementing webmentions on my website.
A webmention recorded against /blog/working-an-inside-ir35-contract/ will not show mentions for /blog/working-an-inside-IR35-contract/.
Took me a few hours to figure out that was why webmentions were not showing for that blog post!
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