JAL-2053 JAL-1551 javadoc and simpler code

diff --git a/src/jalview/datamodel/ColumnSelection.java b/src/jalview/datamodel/ColumnSelection.java
index c63b6cd..0d2d3bf 100644 (file)
--- a/src/jalview/datamodel/ColumnSelection.java
+++ b/src/jalview/datamodel/ColumnSelection.java
@@ -623,6 +623,10 @@ public class ColumnSelection
 
   /**
    * Use this method to determine where the next hiddenRegion starts
+   * 
+   * @param hiddenRegion
+   *          index of hidden region (counts from 0)
+   * @return column number in visible view
    */
   public int findHiddenRegionPosition(int hiddenRegion)
   {
@@ -642,7 +646,7 @@ public class ColumnSelection
         gaps += region[1] + 1 - region[0];
         result = region[1] + 1;
         index++;
-      } while (index < hiddenRegion + 1);
+      } while (index <= hiddenRegion);
 
       result -= gaps;
     }