--- a/venn_diagram.xml	Tue Dec 18 10:06:31 2018 -0500
+++ b/venn_diagram.xml	Tue Mar 05 11:25:31 2019 -0500
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<tool id="Jvenn" name="Venn diagram" version="2018.12.18">
+<tool id="Jvenn" name="Venn diagram" version="2019.02.21">
 	<description>[JVenn]
 	</description>
 	<command><![CDATA[
@@ -8,9 +8,9 @@
 		#for $i, $s in enumerate($series)
 		    --input
 		    #if $s.se.input == "file"
-		        "$s.se.file" "$s.se.name" "file" "$s.se.header" "$s.se.ncol"
+		        "$s.se.file" "$s.name" "file" "$s.se.header" "$s.se.ncol"
 		    #else
-                "$s.se.list" "$s.se.name" "list"
+                "$s.se.list" "$s.name" "list"
  		    #end if
 		#end for 
 		--summary "$output_summary"
@@ -19,30 +19,41 @@
 		<!-- Files -->
 		<repeat name="series" title="List to compare" min="2" max="6" >
             <conditional name="se" >
-                    <param type="select" name="input" label="Enter your list" help="Copy/paste or from a file (e.g. table)" >
-                        <option value="list">Copy/paste list </option>
-                        <option value="file" selected="true">Input file containing your list</option>
-                    </param>
-                    <when value="file">
-                        <param type="data" name="file" format="txt,tabular" label="Select your file" />
-                        <param name="header" type="boolean" checked="true" truevalue="true" falsevalue="false" label="Does file contain header?" />
-		            	<param type="text" name="ncol" value="c1" label="Column number on which apply the comparison" help ='For example, fill in "c1" if you want to filter the first column' />
-		            	<param type="text" name="name" value="" label="Enter the name of this list" help="This name will be displayed on venn diagram" />
-                    </when>
-                    <when value="list">
-                        <param type="text" name="list" label="Copy/paste list" help='IDs must be separated by spaces into the form field, for example: P31946 P62258' >
-                            <sanitizer>
-                                <valid initial="string.printable">
-                                    <remove value="&apos;"/>
-                                </valid>
-                                <mapping initial="none">
-                                    <add source="&apos;" target="__sq__"/>
-                                </mapping>
-                            </sanitizer>
-                        </param>
-                        <param type="text" name="name" value="" label="Enter the name of this list" help="This name will be displayed on venn diagram" />
-                    </when>
-                </conditional>
+				<param type="select" name="input" label="Enter your list" help="Copy/paste or from a file (e.g. table)" >
+					<option value="list">Copy/paste list </option>
+					<option value="file" selected="true">Input file containing your list</option>
+				</param>
+				<when value="file">
+					<param type="data" name="file" format="txt,tabular" label="Select your file" />
+					<param name="header" type="boolean" checked="true" truevalue="true" falsevalue="false" label="Does file contain header?" />
+					<param type="text" name="ncol" value="c1" label="Column number on which apply the comparison" help ='For example, fill in "c1" if you want to filter the first column'>
+						<validator type="regex" message="Please enter a column number, for example: 'c1' for the first column">[c]{0,1}[0-9]+</validator>
+					</param>
+				</when>
+				<when value="list">
+					<param type="text" name="list" label="Copy/paste list" help='IDs must be separated by spaces into the form field, for example: P31946 P62258' >
+						<sanitizer>
+							<valid initial="string.printable">
+								<remove value="&apos;"/>
+								<remove value="/"/>
+							</valid>
+							<mapping initial="none">
+								<add source="&apos;" target="__sq__"/>
+							</mapping>
+						</sanitizer>
+					</param>
+				</when>
+			</conditional>
+			<param type="text" name="name" value="" label="Enter the name of this list" help="This name will be displayed on venn diagram">
+				<sanitizer>
+					<valid initial="string.printable">
+						<remove value="&apos;"/>
+					</valid>
+					<mapping initial="none">
+						<add source="&apos;" target="__sq__"/>
+					</mapping>
+				</sanitizer>
+			</param>
 		</repeat>
 	</inputs>
 	<outputs>