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added section about Lua access to modes (ML message by Hans)
are too esoteric to describe here. If you are interested, see the
modes manual mentioned earlier.
= Modes in LuaTeX =
(for module writers)
The beta as of 2010-01-14 gives access to modes at the Lua end:
<texcode>
\starttext
\enablemode[test]
\enablemode[xxxx]
\doifallmodes{test,xxx}{NO}
\doifallmodes{test,xxxx}{YES}
\doifmode{test}{YES}
\doifnotmode{xxx}{YES}
\startluacode
tex.sprint(tex.modes['x'] and "YES" or "NOP")
tex.sprint(tex.modes['xx'] and "YES" or "NOP")
tex.sprint(tex.modes['xxx'] and "YES" or "NOP")
tex.sprint(tex.modes['xxxx'] and "YES" or "NOP")
tex.sprint(tex.modes['test'] and "YES" or "NOP")
\stopluacode
\stoptext
</texcode>
= Specific Examples =
