DS_NONE            99 src/viewer/datasource.c     view->datasource = DS_NONE;
DS_NONE           170 src/viewer/datasource.c     case DS_NONE:
DS_NONE           260 src/viewer/datasource.c     g_assert (view->datasource == DS_NONE);
DS_NONE           338 src/viewer/datasource.c     case DS_NONE:
DS_NONE           364 src/viewer/datasource.c     view->datasource = DS_NONE;
DS_NONE           405 src/viewer/internal.h     case DS_NONE: