<CRLF> is interpreted as a Greek letter in LuaLaTeX

[Jaroslav Hajtmar <hajtmar@gyza.cz>]

Hi,
When I want to write in LuaLaTeX by "tex.print" command some text string 
that is defined in an external lua-file, so <crlf> characters in 
LuaLaTeX appear as the Greek letter "omega". The Greek letter omega has 
in the font CM code 0x0A, which is a line feed. It seems that the end of 
the line is interpreted not as the end of the line, but a letter.
When I define a text string directly in the source file, everything is OK.
Please do not know how to solve this problem?

Thanx Jaroslav

My minimal example:

A) If everything is in one source file for example:

\documentclass{article}
\usepackage[utf8]{luainputenc}
\usepackage{luatextra}


\begin{document}
\directlua{
text=[[aaaaa
bbbbb
ccccc]]
tex.print(text)}


\end{document}

so the correct typesets:

aaaa bbbb cccc


BUT

B)
Where part of Lua code is in an external file "externalfile.lua" whose 
content is as follows:

text=[[aaaaa
bbbbb
ccccc]]

then the LuaLaTeX source code:

\documentclass{article}
\usepackage[utf8]{luainputenc}
\usepackage{luatextra}

\begin{document}

\directlua{dofile("externalfile.lua")
tex.print(text)}

\end{document}

typesets:

aaaaaOMEGAbbbbbOMEGAccccc

(where OMEGA is Greek character omega)


PS:
Use [[... ]] as a kind of "quotation marks" can bypass traditional "or 
simple '. The problem is that these strings must bet a backslash \\ . 
This character has a different meaning in LaTeX. Therefore I would 
prefer using  [[ ... ]]


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