changelog
[A-Za-z_][A-Za-z0-9_]*
Mon|Tue|Wed|Thu|Fri|Sat|Sun
Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec
frozen|unstable|dapper|hardy|intrepid|jaunty|karmic|lucid
low|medium|high|critical|emergency
\%{weekday}\s+\%{month}\s+\d{1,2}\s+(\d{1,2}:\d{1,2}:\d{1,2}\s+)?([aApP][mM]\s+)?(\w{3}\s+)?\d{4} | # Wed Jun 27 13:27:21 2007
\d{4}-\d{2}-\d{2} # 2007-06-28
\%{identifier}\s\(.*\)\s\%{target}\;\surgency\=\%{urgency}
^[^\s][a-zA-Z\-\.\+]*\s
\(.*\)\s
\%{target}\;
\surgency=\%{urgency}
\surgency=.*(?!\%{urgency})
.*(?!\%{target})\;
^\s\s