updated to 7.3.1233

updated to 7.3.1233

7.3.1220  MS-Windows: When using wide font italic/bold are not included
7.3.1221  when build flags change "make distclean" causes an error
7.3.1222  cannot execute some tests from the src directly
7.3.1223  tests fail on MS-Windows
7.3.1224  Clang gives warnings on xxd
7.3.1225  compiler warnings when building with Motif
7.3.1226  Python: duplicate code
7.3.1227  Python: inconsistent string conversion
7.3.1228  Python: various inconsistencies and problems
7.3.1229  Python: not so easy to delete/restore translating
7.3.1230  Python: Exception messages are not clear
7.3.1231  Python: use of numbers not consistent
7.3.1232  Python: inconsistencies in variable names
7.3.1233  various Python problems