deletions | additions       diff --git a/layout.md b/layout.md  index 14fa304..b6dae68 100644  --- a/layout.md  +++ b/layout.md 
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x_partial_partial_y_y__.tex  begin_equation_1_begin_align__.tex  begin_equation_2_begin_align__.tex  begin_equation_2_begin_align__1.tex begin_equation_3_begin_align__.tex