deletions | additions       diff --git a/layout.md b/layout.md  index 0fd9092..534c1d5 100644  --- a/layout.md  +++ b/layout.md 
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The set message.tex  Audio buses.tex  figures/audio-bus-channels-illustration/audio-bus-channels-illustration.png  Audio buses (cont).tex  Audio buses cont..tex  Mic input.tex  Multichannel expansion.tex