${ANT_HOME}/bin/ant -Druntime=<INSTALL_DIR> -Druntime.old=<INSTALL_DIR_OLD>
-f buildmigration.xml -logfile <logfile>
-Dtarget=migrate-doc-params migrate
The *.done file created in the 9.3 status folder for the migrate-doc-params task is transaction_ant_docparamsmigrator.xml.done.