76eabae1c28bb07c02af6a12fa9222c348b039d9
max
  Sun Sep 6 07:02:29 2026 -0700
DANIO-CODE: open each subtrack description with the sentence saying that the track is part of the DANIO-CODE container, linking to its hgTrackUi page, instead of burying it in a paragraph at the end of the description. refs #38265

diff --git src/hg/makeDb/trackDb/zebrafish/danRer11/dcHiC_Composite.html src/hg/makeDb/trackDb/zebrafish/danRer11/dcHiC_Composite.html
index a80cec298de..dd924189374 100644
--- src/hg/makeDb/trackDb/zebrafish/danRer11/dcHiC_Composite.html
+++ src/hg/makeDb/trackDb/zebrafish/danRer11/dcHiC_Composite.html
@@ -1,40 +1,37 @@
 <h2>Description</h2>
 
 <p>
+This track is part of the <a href="hgTrackUi?g=danioCode">DANIO-CODE</a> track collection.
 A chromosome is not a straight line in the nucleus. It is folded so that some parts
 touch each other far more often than others, and the regions of preferential contact
 are called topologically associating domains. Domain boundaries matter for gene
 regulation, because an enhancer usually acts on genes inside its own domain and rarely
 across a boundary. Hi-C measures which parts of the genome are in contact by
 crosslinking, cutting and religating chromatin, then sequencing the resulting pairs.
 </p>
 
 <p>
 This track does not show the contact matrix itself but two summary scores computed
 from it along the genome. The <b>insulation index</b> is low where few contacts cross a
 position, so its local minima mark domain boundaries. The <b>directionality index</b>
 measures whether the contacts at a position point mostly upstream or mostly downstream,
 and it flips sign at a boundary. Both are shown for 4 samples at 4 developmental stages
 (256-cell, Dome, 75% epiboly and Prim-5) and at three window sizes, 50 kb, 500 kb and
 1 Mb.
 </p>
 
-<p>
-This track is part of the <a href="hgTrackUi?g=danioCode">DANIO-CODE</a> collection.
-</p>
-
 <h2>Display Conventions and Configuration</h2>
 
 <p>
 Each combination of sample, index type and window size is a separate auto-scaled graph.
 Positive values are drawn in red and negative values in blue. The window size sets the
 scale at which the index is computed, so the 50 kb tracks respond to local boundaries
 and the 1 Mb tracks to large-scale compartments.
 </p>
 
 <p>
 Nothing is displayed until tracks are selected on the configuration page, where they
 can be filtered by developmental stage, window size, index type and sample.
 </p>
 
 <h2>Methods</h2>