58902da8c77ee226677e9c56c38d7b6b2b319256
markd
  Fri Apr 5 20:34:54 2024 -0700
update documentation on bigChain to match the code.  RM 33430

diff --git src/hg/htdocs/goldenPath/help/bigChain.html src/hg/htdocs/goldenPath/help/bigChain.html
index ba3677c..a483962 100755
--- src/hg/htdocs/goldenPath/help/bigChain.html
+++ src/hg/htdocs/goldenPath/help/bigChain.html
@@ -36,31 +36,31 @@
 </p>
 <pre><code>    table bigChain
     "bigChain pairwise alignment"
         (
         string chrom;       "Reference sequence chromosome or scaffold"
         uint   chromStart;  "Start position in chromosome"
         uint   chromEnd;    "End position in chromosome"
         string name;        "Name or ID of item, ideally both human readable and unique"
         uint score;         "Score (0-1000)"
         char[1] strand;     "+ or - for strand"
         uint tSize;         "size of target sequence"
         string qName;       "name of query sequence"
         uint qSize;         "size of query sequence"
         uint qStart;        "start of alignment on query sequence"
         uint qEnd;          "end of alignment on query sequence"
-        uint chainScore;    "score from chain"
+        double chainScore;  "score from chain"
         )</code></pre>
 <p>
 Note that the <code>bedToBigBed</code> utility uses a substantial amount of memory: approximately 
 25% more RAM than the uncompressed BED input file.</p>
 <p>
 
 <h2>Creating a bigChain track</h2>
 <p>
 To create a bigChain track, follow these steps:</p>
 <p>
 <strong>Step 1.</strong> 
 If you already have a chain file you would like to convert to a bigChain, skip to <em>Step 3</em>.
 Otherwise download <a href="examples/chr22_KI270731v1_random.hg38.mm10.rbest.chain">this example 
 chain file</a> for the human GRCh38 (hg38) assembly.</p>
 <p>