deletions | additions       diff --git a/layout.md b/layout.md  index 0b982d5..5f1fc72 100644  --- a/layout.md  +++ b/layout.md 
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1-Introduction.tex  figures/code_usage/code_usage.png  2-Framework.tex  2-Structure.tex  figures/code_custom_ptypes/code_custom_ptypes.png  2-Structure.tex  2-Memory.tex  2-Units.tex  figures/code_units/code_units.png