version : JDK1.2T
platforms : Win95 and WinNT
locales : ja, zh_TW

To reproduce:
- java imetest
on Win95 or WinNT
- compose and commit some characters
- Other than the character is committed, the square and dot symbols will be displayed on the client component as well.

P.S. Please get imetest.java and IMEAdapter.java to run the test