I think an even more stupid example was the xor cursor technique that was locked up by CadTrac, (later Quantel) and forced a rewrite of parts of X, and the Amig

I think an even more stupid example was the xor cursor technique that was locked up by CadTrac, (later Quantel) and forced a rewrite of parts of X, and the Amiga. https://plus.google.com/+RayCromwell/posts/dbipY1GJoGv https://plus.google.com/+RayCromwell/posts/dbipY1GJoGv