Code before warnings are enabled at line 4, column 1.  See page 431 of PBP.  (Severity: 4)
Capture variable used outside conditional at line 29, column 12.  See page 253 of PBP.  (Severity: 3)
Capture variable used outside conditional at line 30, column 11.  See page 253 of PBP.  (Severity: 3)