deletions | additions       diff --git a/layout.md b/layout.md  index bba1522..38b45e2 100644  --- a/layout.md  +++ b/layout.md 
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untitled.tex  For_an_orbit_in_equatorial__.tex  dot_r_2_frac_2M__.tex  ddot_r_frac_M_r__.tex  Now_substituting_the_constants_of__.tex