deletions | additions       diff --git a/layout.md b/layout.md  index a56a9c7..8fa9d45 100644  --- a/layout.md  +++ b/layout.md 
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Keywords.md  Summary.md  MTD_is_a_methodological_paper__.md  Classic_topic_models_such_as__.md  Authors' background.md  Related work.md  Personal reflections.md