Email innovated over many other messaging systems by adding structure. To/Cc/Bcc, Subject/Message.
Could it have gone further? Should it have mandated more metadata?
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Doing another iteration on my diagnostics display. I'm reasonably happy with the bold highlighting within the error message.
I'm not sure about the colour on Warning and Error though. It gives the output some visual structure, but arguably the message itself is more important.
Do you have a favourite way of highlighting text in a CLI error message? Currently I'm using backticks, but I'm wondering what's the most readable.
I'm adding a += operator to my programming language, because writing `x = x + 1` is tedious.
This opens the tricky design question of which operators should support this. Is += and -= sufficient, or do you expect things like >>= and **= to be available?