deletions | additions       diff --git a/layout.md b/layout.md  index a9436fb..a7ab7f6 100644  --- a/layout.md  +++ b/layout.md 
...
We_now_use_this_lemma__.tex  subsection_b_I_haven_t__.tex  section_6_16_newcommand_N__.tex  section_6_19_subsection_a__.tex  subsubsection_ii_If_we_are__.tex  subsection_b__.tex