diff --git a/ui/data.js b/ui/data.js
index ce51effc..a39a765a 100755
--- a/ui/data.js
+++ b/ui/data.js
@@ -1412,8 +1412,14 @@ function alignDataToRibbon(base_ribbon, data, start, end){
 	// 		start and/or end are null...
 	var sections = splitData(data, start, end)
 
+	// prepare for and fire the event...
 	// XXX not sure if this is correct yet...
-	$('.viewer').trigger('aligningRibbonsSection', [base_ribbon, sections[1].slice()])
+	var gids = []
+	sections[1].forEach(function(ribbon){
+		gids = gids.concat(ribbon)
+	})
+	// XXX do we need sections[1] passed here?
+	$('.viewer').trigger('aligningRibbonsSection', [base_ribbon, gids, sections[1]])
 
 	// prepare to align...
 	sections[1] = [ base_ribbon, sections[1] ]
diff --git a/ui/marks.js b/ui/marks.js
index f2903161..24cf8560 100755
--- a/ui/marks.js
+++ b/ui/marks.js
@@ -377,10 +377,10 @@ function horizontalShiftMarkedImages(direction){
 	// XXX
 }
 function shiftMarkedImagesLeft(){
-	return shiftMarkedImages('prev')
+	return horizontalShiftMarkedImages('prev')
 }
 function shiftMarkedImagesRight(){
-	return shiftMarkedImages('next')
+	return horizontalShiftMarkedImages('next')
 }
 
 
diff --git a/ui/tags.js b/ui/tags.js
index f9f5f9c5..9b397f04 100755
--- a/ui/tags.js
+++ b/ui/tags.js
@@ -313,6 +313,9 @@ function setupTags(viewer){
 
 			showStatusQ('Tags: Index: done ('+( t1 - t0 )+'ms).')
 		})
+		.on('aligningRibbonsSection', function(base, gids){
+			untagList(gids, 'unsorted')
+		})
 
 }
 SETUP_BINDINGS.push(setupTags)