6629bda6c730982c3e4602ec78ff3b0cbf701c61
braney
  Tue May 25 17:31:38 2021 -0700
implement cart editing.  Needs doc.  ;-)

diff --git src/hg/inc/trackDb.h src/hg/inc/trackDb.h
index 9acfd36..741e79d 100644
--- src/hg/inc/trackDb.h
+++ src/hg/inc/trackDb.h
@@ -742,17 +742,20 @@
 /* Check to see if this hub has a cached trackDb. */
 
 boolean trackDbCacheOn();
 /* Check to see if we're caching trackDb contents. */
 
 boolean trackSettingIsFile(char *setting);
 /* Returns TRUE if setting found in trackDb stanza is a file setting that
  * would benefit from directory $D substitution among other things - looks for
  * settings that ends in "Url" and a few others. */
 
 char *labelAsFiltered(char *label);
 /* add text to label to indicate filter is active */
 
 char *labelAsFilteredNumber(char *label, unsigned number);
 /* add text to label to indicate filter is active */
+
+int trackDbGetCartVersion();
+/* Get the highest cart version that a set of trackDb entries has specified. */
 #endif /* TRACKDB_H */