deletions | additions       diff --git a/layout.md b/layout.md  index f87aca1..8258c0d 100644  --- a/layout.md  +++ b/layout.md 
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Thereafter_we_create_the_master__.tex  begin_lstlisting_breaklines_def_make_bias__.tex  The_creation_of_a_master__.tex  begin_verbatim_def_make_flat_filter__.tex begin_lstlisting_breaklines_def_make_flat__.tex  Finally_we_process_the_image__.tex  begin_verbatim_def_process_image_hdu_bias__.tex  As_a_reminder_the_functions__.tex