A line() schema type representing an incompletely known header.
Blank cannot be used outside a line()
| Purpose | Value |
|---|---|
| Main focus | unspecified() determines if lines match |
| Type | Unspecified is a line() schema type |
| Aliases | blank, nonspecific, unspecified |
| Context | Qualifier |
|---|---|
| Match qualifiers | onmatch, distinct |
| Value qualifiers | onmatch |