Today I learnt that elisp has first-class bool vectors! https://www.gnu.org/software/emacs/manual/html_node/elisp/Bool_002dVectors.html
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Today I learnt that Lua projects often use *3* spaces for indentation! https://github.com/luarocks/lua-style-guide/blob/master/README.md#indentation-and-formatting
I initially thought something was very wrong with editor config.
Today I learnt that the original name for DOS was QDOS, for "Quick and Dirty Operating System"! https://en.wikipedia.org/wiki/DOS#QDOS
(Seems rather unfortunate that they dropped the Q.)
Are there any package managers that treat changelogs as a first class concept?
I end up looking for a CHANGELOG.md or a CHANGES.txt in the source code repository every time. The lack of standard prevents package hosting services being able to show changes.