deletions | additions       diff --git a/layout.md b/layout.md  index afa3702..0f65bae 100644  --- a/layout.md  +++ b/layout.md 
...
vec_v_t_Delta_t__.tex  vec_x_t_Delta_t__2.tex  vec_x_t_vec_x__.tex  vec_x_t_Delta_t__3.tex