This allows llvm-rc to serialize ACCELERATORS resources.
Additionally, as this is the first type of resource to support basic optional resource statements (LANGUAGE, CHARACTERISTICS, VERSION),
ACCELERATORS statement documentation: [[ msdn.microsoft.com/en-us/library/windows/desktop/aa380610.aspx | msdn.microsoft.com/en-us/library/windows/desktop/aa380610.aspx ]]
Accelerator table structure documentation: [[ msdn.microsoft.com/en-us/library/windows/desktop/ms648010.aspx | msdn.microsoft.com/en-us/library/windows/desktop/ms648010.aspx ]]
Optional resource statement fields are described in: [[ msdn.microsoft.com/en-us/library/windows/desktop/ms648027.aspx | msdn.microsoft.com/en-us/library/windows/desktop/ms648027.aspx ]]
Thanks for Nico Weber for his original work in this area.