[XeTeX] polyglossia + russian + texttt + Courier New error

[Igor Kotelnikov]

Dear XeTeX users!

I've met an error which occurs in some curcumstatences, rare for most users.
I've gott the follwoing error message althoug compiled pdf looks fine:

! Package polyglossia Error:
The current roman font does not contain the Cyrillic script!
Please define \cyrillicfont with \newfontfamily.

See the polyglossia package documentation for explanation.
Type  H <return>  for immediate help.
 ...

l.57 ... quick brown fox jumps over the lazy dog.}

?

The error is caused by the \texttt command in the following source file
(somewhat reduced)


\documentclass{article}
    \usepackage{polyglossia}
    \setdefaultlanguage{russian}
    \setotherlanguages{english}

    \setmainfont{Palatino Linotype}
    \setsansfont{Arial}
    \setmonofont{Courier New}

\begin{document}

\texttt{The quick brown fox jumps over the lazy dog.}

\end{document}

The error disappears if

1. either russian is not default or current language,
2. or \setmonofont{Courier New} is substituted with,
e.g.,  \setmonofont{Arial}.

I tested many other combinations of various fonts and languages as shown in
attached source file and noted that this error occurs for some other fonts
declated within \setmonofont. I am using MikTeX 2.9 under Windows 7.


-------------------------------------------
Igor A. Kotelnikov
igor.kotelnikov at gmail.com
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