[luatex] bug: double quotes are not printed

[Igor Kotelnikov]

Dear sir/madam,

I noted that double qoutes are not printed if they are typed in source file
by double quotes  but not ligatures. This problems appears only if the sorce
file is compiled with lualatex. Here is minimal test file:

% =================================
\documentclass{article}
\usepackage{fontspec}
\begin{document}
1. <<ligatures>> are printed
2. «double quotes» are not printed
\end{document}
% =================================

See also attached files.

-------------------------------------------
Igor A. Kotelnikov
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