2 - Now maintained by the Window Maker Team.
3 - Rename configure.in -> configure.ac.
4 - Remove obselete AC_C_CONST macro.
5 - Use pkg-config to find libraries.
7 - Use wmgeneral from libdockapp.
10 - Remove trailing whitespace.
11 - Update documentation.
13 (The original author did not keep a changelog for previous versions.)