miniblog.

For hobby projects, I really like software where I can do small features or tweaks. Sometimes I don't have time for anything more substantial. Website projects are great for this. Are there other areas?

What are the most popular languages that have used an AST walker for their implementation? I know Ruby used to do this, but there must be others. (I'm interested in the lowest PL speed that users will tolerate if you have awesome features.)

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.