deletions | additions       diff --git a/layout.md b/layout.md  index 14b8626..dcb1167 100644  --- a/layout.md  +++ b/layout.md 
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test_ref_test__.tex  So_it_can_be_used__.md  figures/nb_learning_curve1/nb_learning_curve1.png  begin_lstlisting_school_sex_age__.md school_sex_age_address_famsize__.md  begin_lstlisting_school_sex_age__.tex