diff --git a/kythe/typescript/indexer.ts b/kythe/typescript/indexer.ts
index a7ad416743..e8358170da 100644
--- a/kythe/typescript/indexer.ts
+++ b/kythe/typescript/indexer.ts
@@ -1791,6 +1791,14 @@ class Visitor {
     if (context != null) {
       codeParts.push(context);
     }
+    if (ts.isParameter(varDecl) && varDecl.dotDotDotToken) {
+      codeParts.push({
+        // TODO: this should probably be TYPE but the current renderer adds an
+        // unnecessary space after TYPEs
+        kind: MarkedSourceKind.MODIFIER,
+        pre_text: '...',
+      });
+    }
     codeParts.push({
       kind: MarkedSourceKind.IDENTIFIER,
       pre_text: fmtMarkedSource(this.getIdentifierForMarkedSourceNode(decl)),
diff --git a/kythe/typescript/kythe.ts b/kythe/typescript/kythe.ts
index 6a99a9e6a4..0d3ac1fb29 100644
--- a/kythe/typescript/kythe.ts
+++ b/kythe/typescript/kythe.ts
@@ -256,6 +256,7 @@ export enum MarkedSourceKind {
   LOOKUP_BY_TYPED,
   PARAMETER_LOOKUP_BY_TPARAM,
   LOOKUP_BY_TPARAM,
+  MODIFIER,
 }
 
 
diff --git a/kythe/typescript/testdata/marked_source/rendered/function.ts b/kythe/typescript/testdata/marked_source/rendered/function.ts
new file mode 100644
index 0000000000..b33d80a6db
--- /dev/null
+++ b/kythe/typescript/testdata/marked_source/rendered/function.ts
@@ -0,0 +1,14 @@
+
+//- @myFunction defines/binding MyFunction
+//- MyFunction.code/rendered/qualified_name "myFunction"
+//- MyFunction.code/rendered/callsite_signature "myFunction(arg)"
+//- MyFunction.code/rendered/signature "myFunction(arg: string): number"
+function myFunction(arg: string = '0'): number {
+    return 0;
+}
+
+//- @varArgs defines/binding VarArgs
+//- VarArgs.code/rendered/qualified_name "varArgs"
+//- VarArgs.code/rendered/callsite_signature "varArgs(arg)"
+//- VarArgs.code/rendered/signature "varArgs(...arg: any[]): void"
+function varArgs(...arg: any[]) {}