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> Currently Lua ignores some letters after numbers, but not enough:
> 
> > x=1print(x)
> 1
> > x=1eprint(x)
> stdin:1: malformed number near '1e'
> > x=1fprint(x)
> stdin:1: malformed number near '1f'
> > x=1aprint(x)
> stdin:1: malformed number near '1a'
> 
> additionally if your number has an e:
> 
> > x=1e0eprint(x)
> stdin:1: malformed number near '1e0e'
> 
> it'd be nicer if the number parser was more strict so only actual parts of
> numbers would be consumed by it. this would make almost all of the above
> cases valid lua, except x=1eprint(x)

Lua 5.4 takes the opposite approach. Any letter after a number is
consumed by it, so that idiosyncratic syntax like 'x=1print(x)' will
be invalid too.

-- Roberto