Index: doc/next-tutorial/value-checkers.graffle
===================================================================
diff -u -re1a3b4786ffd146bbc52f4ac2276df3f9bc9122e -rf308a6756c63c96d9bc4a4aecef7d6f9a31a7700
Binary files differ
Index: doc/next-tutorial/value-checkers.png
===================================================================
diff -u -re1a3b4786ffd146bbc52f4ac2276df3f9bc9122e -rf308a6756c63c96d9bc4a4aecef7d6f9a31a7700
Binary files differ