# HG changeset patch
# User rnateam
# Date 1436177979 14400
# Node ID 44984b9450cac30ce6fcc78e1bfdd6d82fd2f667
# Parent  12a975bbf94c5e7bd38e141e941c3762c350b98c
planemo upload commit 9099c0a9ff5f7f3d9407e2ec3598957e02850d88-dirty

diff -r 12a975bbf94c -r 44984b9450ca mea.xml
--- a/mea.xml	Mon Jul 06 05:33:34 2015 -0400
+++ b/mea.xml	Mon Jul 06 06:19:39 2015 -0400
@@ -93,7 +93,7 @@
 	    <when value="dont_compare" />
 	    <when value="compare">
 		<param name="reference"
-		       optional="true"
+		       optional="false"
 		       format="txt" type="data"
 		       label="Reference"
 		       help="Reference structure in dot-bracket format"/>