of tuple) that provides incremental decoders and encoders (a way to use
stateful codecs without the stream API). Functions
codecs.getincrementaldecoder() and codecs.getincrementalencoder() have
been added.

look more like the Unicode Consortium files.

Add ending new-line to all source files.

Replaced the tis_620, cp1140 and koi8_u codecs with new ones
based on custom mapping files.

available at ftp.unicode.org.