deletions | additions       diff --git a/layout.md b/layout.md  index 6823019..0a772f6 100644  --- a/layout.md  +++ b/layout.md 
...
figures/Optically thick, 13, den/Optically thick, 13, den.png  12 vs 13 [4].tex  12 vs 13 [5].tex  Observation angle [1].tex