deletions | additions       diff --git a/layout.md b/layout.md  index db8427b..27f6c15 100644  --- a/layout.md  +++ b/layout.md 
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Introduction.tex  Octopus.tex  Sternheimer.tex  Magnetic response.tex  Casida, Tamm-Dancoff, and excited-state forces.tex  Schroedinger equation.tex  Photoemission.tex