DS_NONE            97 src/viewer/datasource.c     view->datasource = DS_NONE;
DS_NONE           168 src/viewer/datasource.c     case DS_NONE:
DS_NONE           258 src/viewer/datasource.c     g_assert (view->datasource == DS_NONE);
DS_NONE           335 src/viewer/datasource.c     case DS_NONE:
DS_NONE           361 src/viewer/datasource.c     view->datasource = DS_NONE;
DS_NONE           404 src/viewer/internal.h     case DS_NONE: