deletions | additions       diff --git a/Contribute__.md b/Contribute__.md  deleted file mode 100644  index d2f4248..0000000  --- a/Contribute__.md  +++ /dev/null 
...
###Contribute   diff --git a/layout.md b/layout.md  index 2d18154..68b8482 100644  --- a/layout.md  +++ b/layout.md 
...
Simple_Parallel_Composition.md  Tailoring_Operators.md  Basic_Operators.md  Contribute__.md  Modify__.md  High_Level_Operators__.md