be4311c07e14feb728abc6425ee606ffaa611a58
markd
  Fri Jan 22 06:46:58 2021 -0800
merge with master

diff --git src/hg/hubApi/apiUtils.c src/hg/hubApi/apiUtils.c
index bda52d8..b6e5854 100644
--- src/hg/hubApi/apiUtils.c
+++ src/hg/hubApi/apiUtils.c
@@ -295,31 +295,31 @@
    return -1;
 else if (dif == 0.0)
    return strcasecmp(a->shortLabel, b->shortLabel);
 else
    return 1;
 }
 
 struct trackDb *obtainTdb(struct trackHubGenome *genome, char *db)
 /* return a full trackDb fiven the hub genome pointer, or ucsc database name */
 {
 struct trackDb *tdb = NULL;
 if (db)
     tdb = hTrackDb(db);
 else
     {
-    tdb = trackHubTracksForGenome(genome->trackHub, genome);
+    tdb = trackHubTracksForGenome(genome->trackHub, genome, NULL);
     tdb = trackDbLinkUpGenerations(tdb);
     tdb = trackDbPolishAfterLinkup(tdb, genome->name);
     }
 slSort(tdb, trackDbTrackCmp);
 // slSort(&tdb, trackDbCmp);
 return tdb;
 }
 
 struct trackDb *findTrackDb(char *track, struct trackDb *tdb)
 /* search tdb structure for specific track, recursion on subtracks */
 {
 struct trackDb *trackFound = NULL;
 
 for (trackFound = tdb; trackFound; trackFound = trackFound->next)
     {