1Revision history for Perl extension Chemistry::Pattern. 2 30.27 10 May 2009 4 - Added 'reset' option to $pattern->match. Thanks to Peter Spiro! 5 - Change the default bond matching test to account for aromaticity. 6 Thanks to Liliana Felix Avila and Evan Yokum. 7 80.26 16 May 2005 9 - Fixed mapping bug for overlap => 0 10 110.25 5 Aug 2004 12 - Allow anchored matches: extended match interface. 13 - Document reset method. 14 150.21 17 Jun 2004 16 - Added atom_class and bond_class methods to Pattern.pm. 17 180.20 31 May 2004 19 - Added support for disconnected patterns. 20 - Completely replaced the algorithm with a simpler and somewhat more 21 readable one. 22 230.15 07 May 2004 24 - Some optimizations (most notable when doing a global match on a large 25 molecule) and improved encapsulation 26 270.10 27 Feb 2004 28 - First release 29