+20080517
+ + modify configure script to note that --enable-ext-colors and
+ --enable-ext-mouse are not experimental, but extensions from
+ the ncurses ABI 5.
+ + corrected manpage description of setcchar() (discussion with
+ Emanuele Giaquinta).
+ + fix for adding a non-spacing character at the beginning of a line
+ (report/patch by Miroslav Lichvar).
+