.@oxlang has some really interesting ideas around immutable namespaces. Compiling code effectively whilst providing a good REPL is hard.
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An interesting feature of the Grok TiddlyWiki interface: it has the sidebar on the right.
I see a sidebar on the left way more often, but arguably it makes more sense on the right for a wiki? The content is effectively more prominent.
https://groktiddlywiki.com/read/
Whilst LLMs don't always give an accurate answer, the UI is really compelling. I keep finding users whose favourite way of doing research is an LLM.
Over a sufficiently long time horizon, all code you write is legacy code.