LyX ⇒ Cyrillic formatted text in mathmode

[neGODnick]

Hi!

We have mathtext package to write russian in math mode. By default russian
letters are upright, but we can say:

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\DeclareSymbolFont{T2Aletters}{T2A}{cmr}{m}{it}

аnd make them italic (or slanted etc.). That is very important possibility, but in LyX it doesn't work! No effect! I think, the occasion is in LyX code, which
programm adds into document:

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\DeclareRobustCommand{\lyxmathsym}[1]{\ifmmode\begingroup\def\b@ld{bold}
  \def\rmorbf##1{\ifx\math@version\b@ld\textbf{##1}\else\textrm{##1}\fi}
  \mathchoice{\hbox{\rmorbf{#1}}}{\hbox{\rmorbf{#1}}}
  {\hbox{\smaller[2]\rmorbf{#1}}}{\hbox{\smaller[3]\rmorbf{#1}}}
  \endgroup\else#1\fi}

but I don't know, how to resolve this problem. Russian text in formulae LyX writes as

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$\lyxmathsym{«Эптнц»}$

Could anybody help me to fix it?

Best regards, neGODnick

[neGODnick]

Ok, people, see bugzilla: http://bugzilla.lyx.org/show_bug.cgi?id=5836