deletions | additions       diff --git a/layout.md b/layout.md  index 21eae1e..31cd66a 100644  --- a/layout.md  +++ b/layout.md 
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Overview.tex  Concepts.tex  Concepts_2.tex  subsection_The_texttt_Data_Class__.tex Concepts_3.tex  dataload.tex  figures/ALEX_alternation_double/ALEX_alternation_double.png  background-estimation.tex