We got an error message when we performed the steps below. The file test.txt is included in the zip file attached:
1. Convert test.txt to the ascii format by using native2ascii.
   % native2ascii -encoding EUC_JP test.txt test.txt.ascii
2. Convert back test.txt to the original format by using the -reverse option.
   % native2ascii -encoding EUC_JP -reverse test.txt.ascii test.txt.ascii2
java.lang.NumberFormatException: For input string: "ser "
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