retex-engine 1.4.0

The TeX typesetting engine for retex
Documentation 
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 restricted system commands enabled.
(./lua-function-calls.tex[\directlua]:1: boom 1
stack traceback:
	[C]: in function 'error'
	[\directlua]:1: in function <[\directlua]:1>.
l.7 \luafunction1 
                  \luafunction2 \luafunction3 \luafunction4
[\directlua]:1: attempt to index a nil value (local 'x')
stack traceback:
	[\directlua]:1: in function <[\directlua]:1>.
l.7 \luafunction1 \luafunction2 
                                \luafunction3 \luafunction4
[\directlua]:1: boom 1
stack traceback:
	[C]: in function 'error'
	[\directlua]:1: in function <[\directlua]:1>.
l.8 \directlua{tex.print("printed")}\luafunction1
                                                 
[0])
(see the transcript file for additional information)
Output written on lua-function-calls.dvi (1 page, 132 bytes).
Transcript written on lua-function-calls.log.