-- v2: winemac: Use the default IME implementation for stubs. winex11: Use the default IME implementation for stubs. imm32: Return TRUE from ImmIsIME with any HKL. imm32: Add a default implementation for IME functions. imm32: Introduce new input_context_init helper. imm32: Select current IME on input contexts when needed. imm32: Send WM_IME_SELECT messages when IME is activated. imm32: Pass the HIMC to the IME UI window IMMGWL_IMC. win32u: Ignore some IME messages in default_window_proc. win32u: Ignore IME messages from IME UI windows in DefWindowProc. imm32/tests: Test DefWindowProc with IME UI messages.