miniblog.

On the challenge of writing accurate source spans on Unicode source code: https://reedmullanix.com/posts/unicode-source-spans.html Also (see footnotes) a fair number of LSP clients assume UTF-8 despite early versions of LSP mandating UTF-16!

Today I learnt that a continually blinking caps lock on Linux signifies a kernel panic: https://unix.stackexchange.com/questions/3840/the-caps-lock-and-scroll-lock-lights-are-flashing-and-everything-is-frozen (On the plus side, it's the first time I've encountered this despite using Linux for years.)

It's wonderfully easy to switch out the allocator in Rust: https://doc.rust-lang.org/edition-guide/rust-next/no-jemalloc.html Sadly it didn't help difftastic performance despite doing a lot of allocation, but it's really easy to try it!