Re: utf-8 support in Lua 5.3.0

[Roberto Ierusalimschy <roberto@...>]

> We've been experimenting in a NoteCase Pro development build with
> adding Xavier Wang's Lua-UTF8 library [1] to embedded Lua 5.2.3, with
> only one non-show-stopper noted so far (utf8.title returns the same
> results as utf8.upper). Xavier's library adds, inter alia, the
> following counterparts to the LuaJit and Lua 5.2.3 string libraries:
> utf8.byte, utf8.char, utf8.find, utf8.gmatch, utf8.gsub, utf8.len,
> utf8.lower, utf8.match, utf8.reverse, utf8.sub, and utf8.upper. Of
> those, only utf8.len is added so far to Lua 5.3.0.
> 
> My question is whether support is planned in Lua 5.3.0 for any of
> these functions? We anticipate upgrading to Lua 5.3.0 when it's
> released and need to decide whether to wait for Lua 5.3.0 or add
> Xavier's code now.

You can check what UTF8 support is planned for Lua 5.3 by looking
at the documentation of the current work verion [1]. It will probably
not change much. (BTW, note that Lua 5.3 uses the name 'utf8' for
that standard library.)

[1] http://www.lua.org/work/doc/manual.html#6.5

-- Roberto