updated to 7.3.1219

7.3.1213  can't build with Python and small features.
7.3.1214  missing declaration for init_users() and realloc_post_list()
7.3.1215  compiler warning for function not defined
7.3.1216  configure can't find Motif on Ubuntu
7.3.1217  new regexp engine: Can't handle \%[[ao]]
7.3.1218  "make test" on MS-Windows does not clean all temporary files
7.3.1219  no test for using []] inside \%[]