deletions | additions       diff --git a/layout.md b/layout.md  index b6e481c..ff1fab3 100644  --- a/layout.md  +++ b/layout.md 
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figures/input_fig/input_fig.png  text_xi__k_begin_equation__.tex  begin_equation_begin_cases_x___.tex  verb_text_xi__k_eta___.tex text_xi__k_eta__k__.tex