deletions | additions       diff --git a/layout.md b/layout.md  index da0ebfc..7fc6d87 100644  --- a/layout.md  +++ b/layout.md 
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Thereafter_we_create_the_master__.tex  begin_verbatim_def_make_bias_n__.tex  The_creation_of_a_master__.tex  begin_verbatim_def_make_flat_filter__.tex begin_verbatim_def_process_image_hdu_bias__.tex