Merge pull request #153 from stan-dev/generated-quantities

Clarify what gets printed in the generated quantities block

Author: bob-carpenter

src/reference-manual/blocks.Rmd

@@ -565,4 +565,14 @@ After the generated quantities statements are executed, the constraints
 on the declared generated quantity variables are validated.
 
 All variables declared as generated quantities are printed as part of
-the output.
+the output.  Variables declared in nested blocks are local variables,
+not generated quantities, and thus won't be printed.  For example:
+```stan
+generated quantities {
+  int a; // added to the output
+
+  {
+    int b; // not added to the output
+  }
+}
+```