deletions | additions       diff --git a/layout.md b/layout.md  index 3ba6464..38dec1c 100644  --- a/layout.md  +++ b/layout.md 
...
introduction.tex  h1_id_auto_label_section__.html  div_HTML_version_br_div__.html  div_brief_motivation_for_silicon__.html brief_motivation_for_silicon_photonics__.html  div_objective_of_your_course__.html  figures/download/download.png  figures.tex