added function value notes

Qix- · Aug 26, 2015 · 35174d4 · 35174d4
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commit 35174d4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -48,6 +48,8 @@ Creates a new ErrorEx error type
 	- Values are functions that are passed the property named by *key* as the
     first argument and the `.stack`, split into an array of lines, as the
 		second argument
+	- Functions that return falsey values are simply skipped
+	- Stack is passed as to allow direct stack message modification, if needed
 
 Returns a constructor (Function) that can be used just like the regular Error
 constructor.