Field/subfield spec (cont.)
full spec: fieldlist|ind1:ind2/subfieldlist
- fieldlist: tags separated by commas (can be a range). Can also include indicators (after the vertical bar, 1st and second indicator separated by colon.
- subfieldlist: subfield numbers separated by commas (can be a range)
- Slash separates subfieldlist
- multiple field/subfield groups separated by semicolon