[immodule-qt] introducing QT_IM_SWITCHER environment variable

[Kazuki Ohta]

Hi, Takumi.

> But there is one problem, If delete qtrc support.
> How can I get list of InputMethods I can set to QT_IM_* env?
How about introducing the independent program which shows the list of "key", 
"displayName", "description".Just not showing the IM info, listing the 
QLineEdit and enable users to try to input each IM.
But on the other hand, introducing new tool enforces bad know-how...

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Move the worl:D!
Kazuki Ohta : mover at hct.zaq.ne.jp