I was a junior engineer - it was 25+ years ago. The spec started with a proposal from Microsoft. I happen to agree with The critique. I also recall trying to

I was a junior engineer - it was 25+ years ago. The spec started with a proposal from Microsoft. I happen to agree with The critique. I also recall trying to implement some of the nebulous things and it was painful. The code for encoding/deciding der/BEr was hand rolled.