X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignmentI.java;h=93a24563dac150fc29d804c00c400c9e4629947e;hb=f5974107dd25f8122ebb924e400335e62b1e5daf;hp=f129a4cef527d88a4dc29ba82cfe24dd60659024;hpb=552a05df8deb46017d3e1931cfc9a196553f2a45;p=jalview.git

diff --git a/src/jalview/datamodel/AlignmentI.java b/src/jalview/datamodel/AlignmentI.java
index f129a4c..93a2456 100755
--- a/src/jalview/datamodel/AlignmentI.java
+++ b/src/jalview/datamodel/AlignmentI.java
@@ -595,11 +595,13 @@ public interface AlignmentI extends AnnotatedCollectionI
   AlignedCodonFrame getMapping(SequenceI mapFrom, SequenceI mapTo);
 
   /**
-   * Set the hidden columns collection on the alignment
+   * Set the hidden columns collection on the alignment. Answers true if the
+   * hidden column selection changed, else false.
    * 
    * @param cols
+   * @return
    */
-  public void setHiddenColumns(HiddenColumns cols);
+  public boolean setHiddenColumns(HiddenColumns cols);
 
   /**
    * Set the first sequence as representative and hide its insertions. Typically