mif file import error [translated]

[ed777@…]

Import format mif/mid with russian symbols in JOSM.
What steps will reproduce the problem?

1. Запускаю josm
2. File / Open (Ctrl+O) , choose the mif format
3. Error: "Unable to read 'bg.mif'. Error: WindowsCyrillic"

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2013-12-21 02:35:19
Last Changed Author: simon04
Revision: 6502
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2013-12-19 22:48:46 +0100 (Thu, 19 Dec 2013)
Last Changed Rev: 6502

Identification: JOSM/1.5 (6502 ru) Windows 7 64-Bit
Memory Usage: 97 MB / 247 MB (11 MB allocated, but free)
Java version: 1.7.0_51, Oracle Corporation, Java HotSpot(TM) Client VM
VM arguments: [-Djava.security.policy=file:C:\Program Files (x86)\Java\jre7\lib\security\javaws.policy, -DtrustProxy=true, -Xverify:remote, -Djnlpx.home=<java.home>\bin, -Djnlpx.origFilenameArg=C:\Users\Ed.OBLGAZ\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\21\73111055-26a79410, -Djnlpx.remove=false, -Dsun.awt.warmup=true, -Xbootclasspath/a:C:\Program Files (x86)\Java\jre7\lib\javaws.jar;C:\Program Files (x86)\Java\jre7\lib\deploy.jar;C:\Program Files (x86)\Java\jre7\lib\plugin.jar, -Djava.util.Arrays.useLegacyMergeSort=true, -Djnlpx.splashport=4191, -Djnlp.application.href=http://josm.openstreetmap.de/download/josm.jnlp, -Djnlpx.jvm=<java.home>\bin\javaw.exe, -Djnlpx.vmargs=-Djava.util.Arrays.useLegacyMergeSort=true -Djnlp.application.href=http://josm.openstreetmap.de/download/josm.jnlp]
Dataset consistency test: No problems found

Plugin: geotools (29767)
Plugin: jts (29854)
Plugin: opendata (30097)
Plugin: utilsplugin2 (30017)