deletions | additions       diff --git a/layout.md b/layout.md  index 277db4c..f7e4ac4 100644  --- a/layout.md  +++ b/layout.md 
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div_objects_br_div__.html  div_Example_8_5_illustrates__.html  div_changes_to_a_mutable__.html  div_identity_of_the_items__.html