Try removing the leading whitespace (untested; no cyrillic text to hand): 

sub InRussian{
    return <<'END';
+utf8::Cyrillic
+utf8::Mark
+utf8::Number
+utf8::Punctuation
END
}

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In reply to Re: problem with user-defined unicode character properties by BrowserUk
in thread problem with user-defined unicode character properties by psychomachine

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