deletions | additions       diff --git a/layout.md b/layout.md  index 843c3f1..265b77d 100644  --- a/layout.md  +++ b/layout.md 
...
Materials.tex  Laboratory Procedure.tex  Part A: Timer A ISR.tex  begin_lstlisting_language_C_define__.tex  B. Timer A ISR with RTOS.tex  C. Timer B ISR with RTOS.tex