anotherfile.R

+str(mtcars)
 with(mtcars, plot(x=cyl, y=displ))
 
 
+summary(lm(displ ~ cyl, mtcars))
+
+

justafile.md

 # We demonstrate forking
-In this example file.
+In example file.
 With some lines
 
 ## And more stuff
@@ -11,3 +11,18 @@ here
 
 
 and here
+
+
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+
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+
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+More stuff