Subject: makeindex and active characters - msg#00214

I am indexing a book that has several dozen words with diacritics.
The list includes upper and lower case forms of ÄÄÅ, ááááá.

When I use LaTeX and utf8x encoding, the index processes without a
problem.

When I switch to XeLaTeX I get errors every time one of
ááááá is encountered. I declared those characters active
characters so that I can provide the glyphs even though they are
missing in my main font (Minion). For example, I have declarations like

"""
\catcode"1E0C=\active \def^^^^1e0c{{\transfont\string á\normalfont
\selectfont}}
"""

When I look at the .idx file, I found lots of pieces of the active
character code:

"""
\indexentry{Hanafi@{\transfont {\protect \protect \edef cmr
{jMinionProRegular(0)}\protect \afterassignment \edef 10.95{-1}
\afterassignment \edef 13.6pt{13.6pt}\edef 1{}\let 1\def \size@update
{\baselineskip 13.6pt\relax \baselineskip 1\baselineskip
\normalbaselineskip \baselineskip \setbox \strutbox \hbox {\vrule
height.7\baselineskip depth.3\baselineskip width\z@ }\let
\size@update \relax }\xdef \OT1/cmr/m/n/7 {\OT1/cmr/m/n/10.95 }\OT1/
cmr/m/n/7 \size@update \enc@update á\protect \protect \edef OT1{U}
\let \enc@update \relax \protect \edef cmr{cmr}\protect \edef m{m}
\protect \edef n{n}\protect \afterassignment \edef 10.95{-1}
\afterassignment \edef 13.6pt{13.6pt}\edef 1{}\let 1\def \size@update
{\baselineskip 13.6pt\relax \baselineskip 1\baselineskip
\normalbaselineskip \baselineskip \setbox \strutbox \hbox {\vrule
height.7\baselineskip depth.3\baselineskip width\z@ }\let
\size@update \relax }\xdef \OT1/cmr/m/n/7 {\OT1/cmr/m/n/10.95 }\OT1/
cmr/m/n/7 \size@update \enc@update \ignorespaces \relax \protect
\afterassignment \edef 10.95{-1}\afterassignment \edef 13.6pt{13.6pt}
\edef 1{}\let 1\def \size@update {\baselineskip 13.6pt\relax
\baselineskip 1\baselineskip \normalbaselineskip \baselineskip
\setbox \strutbox \hbox {\vrule height.7\baselineskip depth.3
\baselineskip width\z@ }\let \size@update \relax }\xdef \OT1/cmr/m/n/
7 {\OT1/cmr/m/n/10.95 }\OT1/cmr/m/n/7 \size@update \enc@update }
\normalfont \selectfont }anafÄ}{8}
"""

Is there any way to suppress the expansion of the active characters
just when index entries are written?

Thanks,
Musa
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