deletions | additions       diff --git a/layout.md b/layout.md  index 52473e2..7a4def4 100644  --- a/layout.md  +++ b/layout.md 
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figures/sd/sd.png  Until_very_recently_the_above__.tex  section_Review_of_the_literature__.tex  be_rho_S_p_t_rho_S__.tex begin_equation_rho_S_p_t__.tex