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+Upgrading from version 2.0.9 to 2.2.0
+
+1. backup your datasets. Always a good idea!
+
+2. install SQL-Ledger over top of your old installation
+ $ cd /usr/local
+ $ tar zxvf sql-ledger-2.2.0.tar.gz
+
+3. copy Default-pos_invoice.txt to
+ templates/your_private_directory/pos_invoice.txt
+ and edit to suit.
+