deletions | additions       diff --git a/layout.md b/layout.md  index f7d4605..5ec7819 100644  --- a/layout.md  +++ b/layout.md 
...
Introduction. Problem.tex  section_text_1_begin_equation__.tex section_text_ref_fig1_begin__.tex  figures/input_fig/input_fig.png  text_xi__k_begin_equation__.tex