Table of Contents
Example 2.1. Copyright Notice Format
YYYY[-YYYY]
the Pacemaker project contributors
YYYY
is the year the file was originally published. The original date is important for two reasons: when two entities claim copyright ownership of the same work, the earlier claim generally prevails; and copyright expiration is generally calculated from the original publication date.
[2]
-YYYY
with the most recent year of modification. Even though Pacemaker is an ongoing project, copyright notices are about the years of publication of specific content.