First, I'll try to create a test framework for TSFTextStore on Windows. IME for TSF is called TIP. TIP calls some interface methods of TSFTextStore and receives notifications of text change, selection change and layout change. So, new XPCOM interface for this needs to have all interface methods which TSFTextStore implemented.
FYI: When you find bugs which should be tested with new test framework, please add the bug# to "Blocks".
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