Appeal No. 1999-2720
Application No. 08/580,965
this approach would cost too much space." (Emphasis added).
Thus, Tichy teaches away from such a system.
Furthermore, Tichy discloses an RCS which, in performing
version control, stores revisions in the form of reverse
deltas. Tichy specifically states19 that ". . . deltas reduce
the space consumed but increase access time. However, a
version control tool should impose as little delay as possible
on programmers
. . . " (Emphasis added).
In addition, Tichy teaches20 that adding a new revision to
the trunk is fast, because all that is needed is to add the
new revision intact and replace the previous revision with a
reverse
delta, and maintain the rest of the old deltas. Therefore,
Tichy teaches a version methodology that limits space usage
with deltas, and limits processing time with the use of
19Page PSD:13-5, Section 3.2, paragraph 3
20Page PSD:13-5, Section 3.2
19
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