243331abd5c962fcd4a938888e29bee67743f3a3
kate
  Thu Mar 31 22:08:08 2016 -0700
Finally found where labeling happens, updating comment

diff --git src/hg/hgTracks/simpleTracks.c src/hg/hgTracks/simpleTracks.c
index 24bf5c5..047601f 100644
--- src/hg/hgTracks/simpleTracks.c
+++ src/hg/hgTracks/simpleTracks.c
@@ -4239,42 +4239,41 @@
         if(drawNameInverted)
             {
             int boxStart = leftLabelX + leftLabelWidth - 2 - nameWidth;
             hvGfxBox(hvgSide, boxStart, y, nameWidth+1, tg->heightPer - 1, color);
             hvGfxTextRight(hvgSide, leftLabelX, y, leftLabelWidth-1, tg->heightPer,
                         MG_WHITE, font, name);
             }
         else
             hvGfxTextRight(hvgSide, leftLabelX, y, leftLabelWidth-1, tg->heightPer,
                         labelColor, font, name);
         hvGfxUnclip(hvgSide);
         hvGfxSetClip(hvgSide, insideX, yOff, insideWidth, tg->height);
         }
     else
         {
-
 	// shift clipping to allow drawing label to left of currentWindow
 	int pdfSlop=nameWidth/5;
         hvGfxUnclip(hvg);
         hvGfxSetClip(hvg, textX-1-pdfSlop, y, nameWidth+1+pdfSlop, tg->heightPer);
         if(drawNameInverted)
             {
             hvGfxBox(hvg, textX - 1, y, nameWidth+1, tg->heightPer-1, color);
             hvGfxTextRight(hvg, textX, y, nameWidth, tg->heightPer, MG_WHITE, font, name);
             }
         else
-            // usual case
+            // usual labeling
             hvGfxTextRight(hvg, textX, y, nameWidth, tg->heightPer, labelColor, font, name);
         hvGfxUnclip(hvg);
         hvGfxSetClip(hvg, insideX, yOff, insideWidth, tg->height);
         }
     }
 if (!tg->mapsSelf)
     {
     int w = x2-textX;
     /* Arrows? */
     if (w > 0)
         {
         if (nextItemCompatible(tg))
             genericDrawNextItemStuff(tg, hvg, vis, item, scale, x2, x1, textX, y, tg->heightPer, color, TRUE);
         else if (exonNumberMapsCompatible(tg, vis))
             genericDrawNextItemStuff(tg, hvg, vis, item, scale, x2, x1, textX, y, tg->heightPer, color, FALSE);