deletions | additions       diff --git a/layout.md b/layout.md  index 67dd8fc..965795d 100644  --- a/layout.md  +++ b/layout.md 
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untitled.tex  Introduction__.md  Scalars_Semantics_Implementation__.md  homogoneous_rectangular_arrays_Semantics_correct__.md  Homogeneous_regular_Pointer_to_strided__.md  Labeled_arrays_Python_X_Ray__.md  Columnar_containers_Columnar_containers_are__.md