Changes in version 0.22:

Scaling and smoothing are now made before thresholding.

Character recognition has been improved. (D - O, H - N, O - Q, V - Y, merged TT).

New library function OCRAD_set_utf8_format.

Small improvements have been made in the manual and in the man page.

Quote characters in messages have been changed as advised by GNU Coding
Standards.

"configure" now accepts options with a separate argument.

Configure option "--datadir" has been renamed to "--datarootdir" to
follow GNU Standards.

The target "install-bin" has been added to the Makefile.
