External symbol definition continuation record

The format of an external symbol definition continuation record is as follows:

Table 1. External symbol definition continuation record
Field	Offset	Type	Description
PTV	0-2	Byte(3)	Type of record X'030200' If not continued X'030300' If continued
Text	3-*	Byte(n)	The next `n` bytes of the name.
Trailer		Byte(m)	Unused space at the end of a record is reserved, and cannot be used for any other purpose.