689349fca5a4865a1891db8cd39d392657b2b09b
jcasper
  Wed Apr 22 02:54:09 2026 -0700
Replacing the subtrackUrl setting for faceted composites with subtrackUrls,
which supports outlinks in multiple fields.  refs #36320

diff --git src/hg/htdocs/goldenPath/help/trackDb/trackDbDoc.html src/hg/htdocs/goldenPath/help/trackDb/trackDbDoc.html
index 00e35954679..6849b0df235 100755
--- src/hg/htdocs/goldenPath/help/trackDb/trackDbDoc.html
+++ src/hg/htdocs/goldenPath/help/trackDb/trackDbDoc.html
@@ -1993,33 +1993,33 @@
     <TR VALIGN=TOP><TD class="primaryKey">
         <A name="primaryKey"></A><IMG class='toggle detail'>
         <div class="format"><code>primaryKey &lt;field&gt;</code></div>
     </TD></TR>
     <TR VALIGN=TOP><TD class="maxCheckBoxes"><IMG class='toggle detail'>
         <div class="format"><code>maxCheckBoxes &lt;integer&gt;</code></div>
     </TD></TR>
     <TR VALIGN=TOP><TD class="dataTypes">
         <A name="dataTypes"></A><IMG class='toggle detail'>
         <div class="format"><code>dataTypes &lt;name1|"table title" name2|"table title" ...&gt;</code></div>
     </TD></TR>
     <TR VALIGN=TOP><TD class="defaultSortField">
         <A name="defaultSortField"></A><IMG class='toggle detail'>
         <div class="format"><code>defaultSortField &lt;name&gt;</code></div>
     </TD></TR>
-    <TR VALIGN=TOP><TD class="subtrackUrl">
-        <A name="subtrackUrl"></A><IMG class='toggle detail'>
-        <div class="format"><code>subtrackUrl &lt;url&gt;</code></div>
+    <TR VALIGN=TOP><TD class="subtrackUrls">
+        <A name="subtrackUrls"></A><IMG class='toggle detail'>
+        <div class="format"><code>subtrackUrls &lt;field1&gt;=&lt;url1&gt; &lt;field2&gt;=&lt;url2&gt; ...</code></div>
     </TD></TR>
     <TR class="examples" VALIGN=TOP><TD class="faceted_example1">
         <IMG class='toggle detail'>
         <div class="format"><B>Example of a faceted composite track containing different track types:</B></div>
     </TD></TR>
     <TR class="examples" VALIGN=TOP><TD class="faceted_example2">
         <IMG class='toggle detail'>
         <div class="format"><B>Example of a faceted composite track containing different track samples and data types:</B></div>
     </TD></TR>
 </TABLE>
 <BR><BR>
 
 <A name="container"><A name="aggregate"><A name="multiWig"></A>
 <TABLE class="settingsTable" id="Aggregate_or_Overlay_Track_Settings">
 <THEAD><TR><TD><DIV ID="container_intro" class="intro"></DIV></TD></TR></THEAD>