Temporarily stop tracking the mouse movement. This is currently used on Linux

to send a notificaiton that mouse has been released by the editor, such as when

a blur event occurs whilst the mouse was down.

Index: src/Editor.cxx

pdoc->ChangeLexerState(wParam, lParam);

break;

case SCI_SETIDENTIFIER:

SetCtrlID(wParam);

break;

case SCI_GETIDENTIFIER:

return GetCtrlID();

default:

return DefWndProc(iMessage, wParam, lParam);

}

//Platform::DebugPrintf("end wnd proc\n");

return 0l;

}