Lua 5.2 Keywords - In

[Olivier Hamel <evilpineapple@...>]

I've just noticed a few messages regarding a new use of the 'in' keyword 
in Lua 5.2, and I would like to express my slight dismay at its keyword 
choice. One of the things I like in Lua 5.1 is that very few of the 
keywords are 'overloaded', the main exceptions being 'do' and 'end'.

Although I like the idea of this new usage of 'in' (which is using the 
table given as the env for that scope instead of the global env, or at 
least that's what I got from a skim of the example code), I'd personally 
prefer if it didn't reuse 'in' which is already in use by the 'for' 
loops. Perhaps we could use 'using' or 'with'? (I find 'using' 
appealing.) Can anyone see any issues about this minor change? Or am I 
missing something important?

Olivier