deletions | additions       diff --git a/layout.md b/layout.md  index 3f64b16..4ef9f0b 100644  --- a/layout.md  +++ b/layout.md 
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untitled.tex  Overview__.md  Pointer_to_strided_memory__.md Pointer_to_strided_memory_Fortran__.md  Labeled_arrays__.md  Columnar_containers_Columnar_containers_are__.md  Graph_structures_A_simple_graph__.md