06d7be056190c14b85e71bc12523f18ea6815b5e
markd
  Mon Dec 7 00:50:29 2020 -0800
BLAT mmap index support merge with master

diff --git src/hg/makeDb/trackDb/ensGene.html src/hg/makeDb/trackDb/ensGene.html
index 2b23b8d..0237ef9 100644
--- src/hg/makeDb/trackDb/ensGene.html
+++ src/hg/makeDb/trackDb/ensGene.html
@@ -22,30 +22,34 @@
 Ensembl Gene data can be explored interactively using the
 <a href="/cgi-bin/hgTables" target="_blank">Table Browser</a> or the
 <a href="/cgi-bin/hgIntegrator" target="_blank">Data Integrator</a>. 
 For local downloads, the genePred format files for $db are available in our
 <a target="_blank" href="http://hgdownload.soe.ucsc.edu/goldenPath/$db/database/">
 downloads directory</a> as ensGene.txt.gz or in our
 <a target="_blank" href="http://hgdownload.soe.ucsc.edu/goldenPath/$db/bigZips/genes">
 genes download directory</a> in GTF format.<br><br>
 For programmatic access, the data can be queried from the 
 <a href="../goldenPath/help/api.html" target="_blank">REST API</a> or
 directly from our public MySQL
 servers. Instructions on this method are available on our
 <a target="_blank" href="/goldenPath/help/mysql.html">MySQL help page</a> and on
 <a target="_blank" href="http://genome.ucsc.edu/blog/tag/mysql/">our blog</a>.</p>
 
+<p>
+Previous versions of this track can be found on our <a href="http://hgdownload.soe.ucsc.edu/goldenPath/archive/$db/ensGene">archive download server</a>.
+</p>
+
 <h2>Credits</h2>
 
 <p>
 We would like to thank Ensembl for providing these gene annotations. For more information, please see
 <a href="http://www.ensembl.org/info/genome/genebuild/genome_annotation.html"
 target=_blank>Ensembl&#39s genome annotation page.</a>
 </p> 
 
 <h2>References</h2>
 
 <p>
 Hubbard T, Barker D, Birney E, Cameron G, Chen Y, Clark L, Cox T, Cuff J,
 Curwen V, Down T <em>et al</em>.
 <a href="https://academic.oup.com/nar/article/30/1/38/1332872/The-Ensembl-genome-database-project"
 target="_blank">The Ensembl genome database project</a>.