Aux info record - EXPECTED_STRING

This is a type of aux info record. This record pertains to the XEC_CTL_ERROR_HANDLING features. It has the following format:
Table 1. Aux info record - Expected_String
  Fields
+0 record type flags reserved
+4 record length
+8 aux flag aux type = 0x0103
+C expected string length
+10 expected string value
The expected string contains a string in the form of a length/value pair which shows a string which was expected in the document in order for the document to parse correctly.

If there is more than one option for what is required at any point, this record will not be present.