The amount of space this can save is tremendous. The collation of 1739 by Lake and New, for instance, requires 24 pages to cover all of Paul, when printed in large print. The Nestle-Aland edition, printed in small print, requires 179 pages for the same books. Even excluding the critical apparatus of the Nestle text, this is a savings of at least a factor of five. There is, unfortunately, no universally recognized standard method of collation.
Different transcribers use different base editions, and have different styles of collation.
Ideally, we would like to see an electronic version of the Oxford edition made available online at no cost, but this does not appear likely at this time. The form of collations is somewhat more standardized, though not perfectly so. Here the majority of witnesses, including the Textus Receptus, read Zara . In B, however, we read instead ZARE . The most common variation involves omissions.