anchor.diff:  
   ```text
     sentinel {
  -      code = "import \"strings\"
  -              main = rule { strings.has_suffix(value,\"foo\") }"
  -      enforcementlevel = "soft-mandatory"
  +      code = <<EOF
  +import "strings"
  +main = rule { strings.has_suffix(value,"foo") }
  +enforcementlevel = "soft-mandatory"
  +EOF
     }
   ```
   
  
positive.code: key "foo" {
      policy = "write"
      sentinel {
          code = "import \"time\"
                  main = rule { time.hour > 8 and time.hour < 17 }"
      }
  }
  ```
  
negative.code: key "foo" {
      policy = "write"
      sentinel {
          code = <<EOF
  import "strings"
  main = rule { strings.has_suffix(value, "bar") }
  EOF
      }
  }
  ```
  