-2.5 and later 2.x versions) and has no prerequisite dependencies beyond
-Python and its built-in modules. All configuration and data are stored
-in consistently-formatted plain text files for ease of administration.
-The core engine is unicode-clean internally and supports UTF-8 encoding
-for input and output of extended text characters.
+3.3 and later versions) and has only pure Python dependencies. All
+configuration and data are stored in consistently-formatted plain text
+(YAML 1.1) files for ease of administration. The core engine is
+unicode-clean internally and supports UTF-8 encoding for input and
+output of extended text characters.