diff --git a/core/modules/filters/strings.js b/core/modules/filters/strings.js
index 6b76178d4..38e5be231 100644
--- a/core/modules/filters/strings.js
+++ b/core/modules/filters/strings.js
@@ -61,7 +61,7 @@ exports.split = makeStringBinaryOperator(
 );
 
 exports["enlist-input"] = makeStringBinaryOperator(
-	function(a) {return $tw.utils.parseStringArray("" + a);}
+	function(a,o,s) {return $tw.utils.parseStringArray("" + a,(s === "raw"));}
 );
 
 exports.join = makeStringReducingOperator(
@@ -78,7 +78,7 @@ function makeStringBinaryOperator(fnCalc) {
 	return function(source,operator,options) {
 		var result = [];
 		source(function(tiddler,title) {
-			Array.prototype.push.apply(result,fnCalc(title,operator.operand || ""));
+			Array.prototype.push.apply(result,fnCalc(title,operator.operand || "",operator.suffix || ""));
 		});
 		return result;
 	};
diff --git a/editions/test/tiddlers/tests/test-filters.js b/editions/test/tiddlers/tests/test-filters.js
index bf537ee36..895c83ca3 100644
--- a/editions/test/tiddlers/tests/test-filters.js
+++ b/editions/test/tiddlers/tests/test-filters.js
@@ -184,6 +184,9 @@ function runTests(wiki) {
 	
 	it("should handle the enlist-input operator", function() {
 		expect(wiki.filterTiddlers("[[one two three]enlist-input[]]").join(",")).toBe("one,two,three");
+		expect(wiki.filterTiddlers("[[one two two three]enlist-input[]]").join(",")).toBe("one,two,three");
+		expect(wiki.filterTiddlers("[[one two two three]enlist-input:dedupe[]]").join(",")).toBe("one,two,three");
+		expect(wiki.filterTiddlers("[[one two two three]enlist-input:raw[]]").join(",")).toBe("one,two,two,three");
 		expect(wiki.filterTiddlers("[[one two three]] [[four five six]] +[enlist-input[]]").join(",")).toBe("one,two,three,four,five,six");
 		expect(wiki.filterTiddlers("[[one two three]] [[four five six]] [[seven eight]] +[enlist-input[]]").join(",")).toBe("one,two,three,four,five,six,seven,eight");
 		expect(wiki.filterTiddlers("[[]] +[enlist-input[]]").join(",")).toBe("");
diff --git a/editions/tw5.com/tiddlers/filters/enlist-input Operator.tid b/editions/tw5.com/tiddlers/filters/enlist-input Operator.tid
index 3a9dd529a..a561a8e12 100644
--- a/editions/tw5.com/tiddlers/filters/enlist-input Operator.tid	
+++ b/editions/tw5.com/tiddlers/filters/enlist-input Operator.tid	
@@ -4,6 +4,8 @@ modified: 20201102221854719
 op-input: a [[selection of titles|Title Selection]]
 op-output: the titles stored as a [[title list|Title List]] in each input title
 op-purpose: select titles by interpreting each input title as a [[title list|Title List]]
+op-suffix: `dedupe` (the default) to remove duplicates, `raw` to leave duplicates untouched
+op-suffix-name: D
 tags: [[Filter Operators]] [[String Operators]] [[Selection Constructors]]
 title: enlist-input Operator
 type: text/vnd.tiddlywiki
diff --git a/editions/tw5.com/tiddlers/filters/examples/enlist-input Operator (Examples).tid b/editions/tw5.com/tiddlers/filters/examples/enlist-input Operator (Examples).tid
index c02a85c4c..7e4eee4a7 100644
--- a/editions/tw5.com/tiddlers/filters/examples/enlist-input Operator (Examples).tid	
+++ b/editions/tw5.com/tiddlers/filters/examples/enlist-input Operator (Examples).tid	
@@ -7,4 +7,6 @@ type: text/vnd.tiddlywiki
 <<.operator-example 1 "[[Days of the Week]get[list]enlist-input[]]">>
 Contrast with: <<.operator-example 2 "[[Days of the Week]get[list]]">>
 <<.operator-example 3 "'HelloThere GettingStarted [[Customise TiddlyWiki]]' +[enlist-input[]]">>
-Contrast with: <<.operator-example 4 "'HelloThere GettingStarted [[Customise TiddlyWiki]]'">>
\ No newline at end of file
+Contrast with: <<.operator-example 4 "'HelloThere GettingStarted [[Customise TiddlyWiki]]'">>
+<<.operator-example 5 "'HelloThere HelloThere GettingStarted [[Customise TiddlyWiki]]' +[enlist-input:raw[]]">>
+Contrast with: <<.operator-example 6 "'HelloThere HelloThere GettingStarted [[Customise TiddlyWiki]]' +[enlist-input[]]">>