Cute usage of chpwd() in bash to convert directories into a simple text adventure game: https://belkadan.com/blog/2019/08/go-east/
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An ad hoc, informally-specified, bug-ridden, slow implementation of half of a text adventure game -- or as I like to call it, a compiler.
One cute feature of markdown I'd not noticed before: there's no syntax for images *without* a description (i.e. alt text).

https://spec.commonmark.org/0.31.2/#images
I'm not sure if I should use the term "text diff" or "textual diff" to refer to a conventional, line-oriented diff of text in difftastic.
Any opinions? Which seems clearer to you?