The length of "bar" is encoded as 3. The annotation is incorrect.
0x00 <lineannotation>trailing nul</lineannotation>
0x00 0x00 <lineannotation>2 bytes of padding to reach next multiple of 4</lineannotation>
-0x03 0x00 0x00 0x00 <lineannotation>length of ‘bar’ = 1</lineannotation>
+0x03 0x00 0x00 0x00 <lineannotation>length of ‘bar’ = 3</lineannotation>
0x62 0x61 0x72 <lineannotation>‘bar’</lineannotation>
0x00 <lineannotation>trailing nul</lineannotation>
</screen>