Library /sys$common/syshlp/helplib.hlb — MERGE Specification File Qualifiers, /FIELD Example
/FIELD=(NAME=SALARY,POSITION:10,DIGITS:8,DECIMAL)
This /FIELD qualifier identifies a field in a record by the
name SALARY, specifies that it starts in position 10 of the
record, is 8 digits long, and consists of decimal data.