Changes in Version 41

Although the main work has been on consolidation some new patterns have been added, see below.

A significant problem has always been to name places and buildings in a consistent manner (arising from the different sources used). For those in Iran, Saied Khaghani has checked a large list of places for consistency with corrections made in many cases. Only one of the various spellings is now used for Madrasah.

The computation of the patterns which are a lattice according to the definition used here was incorrect. This has been changed and should be correct, see Special Collection: Lattice patterns.

Internal documentation is available on the system design. Please contact Brian Wichmann if you are interested.

Pattern additions

A total of 17 new patterns have been added including: