Don't lowercase _ENV or strings. #18
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The special Lua table named _ENV is sometimes used in Pico-8 for various shenanigans. There are other special Lua tables with capitalized, case-sensitive names, but I don't know if any are widely used. But changing _ENV to _env inconvenienced me personally so I'm fixing that one. :) Additionally, strings often deliberately contain uppercase characters, since they render as "puny font" in Pico-8. Lowercaseificaiton does more harm than good in a string context. If the syntax highlighting engine thinks we're in a string, do not tinker with case.
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The special Lua table named _ENV is sometimes used in Pico-8 for various shenanigans. There are other special Lua tables with capitalized, case-sensitive names, but I don't know if any are widely used. But changing _ENV to _env inconvenienced me personally so I'm fixing that one. :)
Additionally, strings often deliberately contain uppercase characters, since they render as "puny font" in Pico-8. Lowercaseificaiton does more harm than good in a string context. If the syntax highlighting engine thinks we're in a string, do not tinker with case.