[tlbuild] luatex once again

[simon at getthingsfixed.co.uk]

Karl,

On Tuesday 28 May 2013 00:30:37 Karl Berry wrote:
> Elie reported that io.popen in luatex was broken (everywhere but
> Windows).  Since Akira came up with an instant and trivial fix (thanks
> as always, Akira), and since io.popen is a pretty important routine in
> LuaTeX, I think it's worth remaking.

Such are things.

> I'm sure that not all platforms can be done in the next day or even two,
> and that's ok, but whoever is around and can run it off, might as well ...

My little armhf RPi did it in about 5hrs.

> BTW, judging by the commit times, it seems that armel-linux and
> i386-solaris/x86_64-solaris are lacking the latest mpost and dvisvgm
> fixes, too.

./Build --enable-xindy: OK

Find in usual place.

Simon
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