Change from standard library is listed below
diff --git a/scan.go b/scan.go
index 364d159..8cb2b16 100644
--- a/scan.go
+++ b/scan.go
@@ -68,7 +68,7 @@ const (
// MaxScanTokenSize is the maximum size used to buffer a token.
// The actual maximum token size may be smaller as the buffer
// may need to include, for instance, a newline.
- MaxScanTokenSize = 64 * 1024
+ MaxScanTokenSize = 64 * 1024 * 1024
)
// NewScanner returns a new Scanner to read from r.