[luatex] Will the next version of LuaTeX be based on Lua 5.3?

[Dirk Laurie]

2015-01-09 16:30 GMT+02:00 luigi scarso <luigi.scarso at gmail.com>:
> On Fri, Jan 9, 2015 at 2:30 PM, Mico Loretan <loretan.mico at gmail.com> wrote:
>>
>> Lua 5.3, currently at the "release candidate" stage, features a new 64-bit
>> integer data type -- up until now, the one and only numeric data type was
>> double-precision -- and basic UTF8 support, among several new features. Is
>> there a chance that the next version of LuaTeX will be based on Lua 5.3?
>>
>> Cheers, Mico
>>
>> Sent from my iPhone.
>
> Testing Lua 5.3 is on agenda after integration of token lib (which is on the
> top of the current todo list, but we are  currently debugging a nasty mplib
> bug).
> Btw, we cannot guarantee that lua 5.3 will be in the next TL 2015.

Lua 5.3 is Lua 5.2 with:
1. Genuine 64-bit integers with bit operators.
2. Rudimentary UTF-8 support.
3. Number-to-string based on internal representation,
not human-readable format conversion.

It has a lot to offer to LuaTeX.