Since these are just interpreted comments, there's 0 impact on actual code. This removes all lines that match /* vim: set(.*)tw=80: */ with S&R -- there are a few others scattered around which will be removed manually in a second part.
- Structure the code better - Directly downmix to mono from multichannel
--HG-- extra : source : b2904f128f854a71216f299b835da5a422ceb3cd extra : intermediate-source : eae4410ea11d83feed90ca9d3b6bd5a9c67c17a7
