diff --git a/idea/src/org/jetbrains/jet/plugin/refactoring/changeSignature/JetChangeInfo.java b/idea/src/org/jetbrains/jet/plugin/refactoring/changeSignature/JetChangeInfo.java
index 631109afa16..c52998a9958 100644
--- a/idea/src/org/jetbrains/jet/plugin/refactoring/changeSignature/JetChangeInfo.java
+++ b/idea/src/org/jetbrains/jet/plugin/refactoring/changeSignature/JetChangeInfo.java
@@ -125,7 +125,6 @@ public class JetChangeInfo implements ChangeInfo {
             JetParameterInfo parameterInfo = newParameters.get(i);
             if (i > 0) {
                 buffer.append(",");
-                buffer.append("\n");
                 buffer.append(indent);
             }
 
diff --git a/idea/testData/quickfix/changeSignature/afterAddConstructorParameter.kt b/idea/testData/quickfix/changeSignature/afterAddConstructorParameter.kt
index b37f87989d8..46e025b3162 100644
--- a/idea/testData/quickfix/changeSignature/afterAddConstructorParameter.kt
+++ b/idea/testData/quickfix/changeSignature/afterAddConstructorParameter.kt
@@ -1,8 +1,7 @@
 // "Add parameter to constructor 'Base'" "true"
 // DISABLE-ERRORS
 
-open class Base(var x: Int,
-                d: Double) {
+open class Base(var x: Int, d: Double) {
     val y = Base(1, 2.5);
 
     fun f() {
diff --git a/idea/testData/quickfix/changeSignature/afterAddFunctionParameter.kt b/idea/testData/quickfix/changeSignature/afterAddFunctionParameter.kt
index a359dab3cf0..ea126c90485 100644
--- a/idea/testData/quickfix/changeSignature/afterAddFunctionParameter.kt
+++ b/idea/testData/quickfix/changeSignature/afterAddFunctionParameter.kt
@@ -1,8 +1,7 @@
 // "Add parameter to function 'foo'" "true"
 // DISABLE-ERRORS
 
-fun foo(x: Int,
-        i: Int) {
+fun foo(x: Int, i: Int) {
     foo(, 4);
     foo(1, 4);
     foo(1, 4);
diff --git a/idea/testData/quickfix/changeSignature/afterAddFunctionParameterAndChangeTypes.kt b/idea/testData/quickfix/changeSignature/afterAddFunctionParameterAndChangeTypes.kt
index 7709e69eb10..14629bbb076 100644
--- a/idea/testData/quickfix/changeSignature/afterAddFunctionParameterAndChangeTypes.kt
+++ b/idea/testData/quickfix/changeSignature/afterAddFunctionParameterAndChangeTypes.kt
@@ -1,10 +1,7 @@
 // "Change the signature of function 'foo'" "true"
 // DISABLE-ERRORS
 
-fun foo(x: Double,
-        i: Int,
-        i1: Int,
-        i2: Int) {
+fun foo(x: Double, i: Int, i1: Int, i2: Int) {
     foo(,, 5, 6);
     foo(1,, 5, 6);
     foo(1, 2.5, 5, 6);
diff --git a/idea/testData/quickfix/changeSignature/afterAddFunctionParameterLongNameRuntime.kt b/idea/testData/quickfix/changeSignature/afterAddFunctionParameterLongNameRuntime.kt
index 1e20ae5a083..1a06247fcad 100644
--- a/idea/testData/quickfix/changeSignature/afterAddFunctionParameterLongNameRuntime.kt
+++ b/idea/testData/quickfix/changeSignature/afterAddFunctionParameterLongNameRuntime.kt
@@ -3,8 +3,7 @@
 
 import kotlin.modules.ModuleBuilder
 
-fun foo(x: Int,
-        moduleBuilder: ModuleBuilder) {
+fun foo(x: Int, moduleBuilder: ModuleBuilder) {
     foo(, ModuleBuilder("", ""));
     foo(1, ModuleBuilder("", ""));
     foo(2, ModuleBuilder("", ""));
diff --git a/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters1.kt b/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters1.kt
index 1723a00db1a..190a2110f31 100644
--- a/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters1.kt
+++ b/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters1.kt
@@ -2,5 +2,5 @@
 // DISABLE-ERRORS
 
 fun f(x: Int, y: Int, z : () -> Int) {
-    f(1, 2, {() -> x});
+    f(1, 2, { x});
 }
diff --git a/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters2.kt b/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters2.kt
index 325cedab369..cf06b743b43 100644
--- a/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters2.kt
+++ b/idea/testData/quickfix/changeSignature/afterChangeFunctionLiteralParameters2.kt
@@ -2,7 +2,5 @@
 // DISABLE-ERRORS
 
 fun f(x: Int, y: Int, z : (Int, Int?, Any) -> Int) {
-    f(1, 2, {(i: Int,
-              i1: Int?,
-              any: Any) -> x});
+    f(1, 2, {(i: Int, i1: Int?, any: Any) -> x});
 }
diff --git a/idea/testData/quickfix/changeSignature/afterComplexHierarchy.kt b/idea/testData/quickfix/changeSignature/afterComplexHierarchy.kt
index 98d0f98547b..dcb4d1e310f 100644
--- a/idea/testData/quickfix/changeSignature/afterComplexHierarchy.kt
+++ b/idea/testData/quickfix/changeSignature/afterComplexHierarchy.kt
@@ -1,39 +1,32 @@
 // "Add parameter to function 'f'" "true"
 trait OA {
-    fun f(a: Int,
-          i: Int)
+    fun f(a: Int, i: Int)
 }
 
 trait OB {
-    fun f(a: Int,
-          i: Int)
+    fun f(a: Int, i: Int)
 }
 
 trait O : OA, OB {
-    override fun f(a: Int,
-                   i: Int)
+    override fun f(a: Int, i: Int)
 }
 
 trait OO : O {
-    override fun f(a: Int,
-                   i: Int) {
+    override fun f(a: Int, i: Int) {
     }
 }
 
 trait OOO : OO {
-    override fun f(a: Int,
-                   i: Int) {}
+    override fun f(a: Int, i: Int) {}
 }
 
 trait OOOA : OOO {
-    override fun f(a: Int,
-                   i: Int) {
+    override fun f(a: Int, i: Int) {
     }
 }
 
 trait OOOB : OOO {
-    override fun f(a: Int,
-                   i: Int) {
+    override fun f(a: Int, i: Int) {
     }
 }
 
diff --git a/idea/testData/quickfix/changeSignature/afterComplexHierarchyTail.kt b/idea/testData/quickfix/changeSignature/afterComplexHierarchyTail.kt
index adc9d53c20c..046fb3501ef 100644
--- a/idea/testData/quickfix/changeSignature/afterComplexHierarchyTail.kt
+++ b/idea/testData/quickfix/changeSignature/afterComplexHierarchyTail.kt
@@ -1,39 +1,32 @@
 // "Add parameter to function 'f'" "true"
 trait OA {
-    fun f(a: Int,
-          s: String)
+    fun f(a: Int, s: String)
 }
 
 trait OB {
-    fun f(a: Int,
-          s: String)
+    fun f(a: Int, s: String)
 }
 
 trait O : OA, OB {
-    override fun f(a: Int,
-                   s: String)
+    override fun f(a: Int, s: String)
 }
 
 trait OO : O {
-    override fun f(a: Int,
-                   s: String) {
+    override fun f(a: Int, s: String) {
     }
 }
 
 trait OOO : OO {
-    override fun f(a: Int,
-                   s: String) {}
+    override fun f(a: Int, s: String) {}
 }
 
 trait OOOA : OOO {
-    override fun f(a: Int,
-                   s: String) {
+    override fun f(a: Int, s: String) {
     }
 }
 
 trait OOOB : OOO {
-    override fun f(a: Int,
-                   s: String) {
+    override fun f(a: Int, s: String) {
     }
 }
 
diff --git a/idea/testData/quickfix/changeSignature/afterLinearHierarchy.kt b/idea/testData/quickfix/changeSignature/afterLinearHierarchy.kt
index d4388e53e1f..f7f4f8c093b 100644
--- a/idea/testData/quickfix/changeSignature/afterLinearHierarchy.kt
+++ b/idea/testData/quickfix/changeSignature/afterLinearHierarchy.kt
@@ -1,18 +1,15 @@
 // "Add parameter to function 'f'" "true"
 trait O {
-    fun f(a: Int,
-          i: Int)
+    fun f(a: Int, i: Int)
 }
 
 trait OO : O {
-    override fun f(a: Int,
-                   i: Int) {
+    override fun f(a: Int, i: Int) {
     }
 }
 
 trait OOO : OO {
-    override fun f(a: Int,
-                   i: Int) {}
+    override fun f(a: Int, i: Int) {}
 }
 
 fun usage(o: O) {
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFun.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFun.kt
index a3a86567326..9d481490390 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFun.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFun.kt
@@ -1,6 +1,5 @@
 // "Create parameter 'foo'" "true"
 
-fun test(n: Int,
-         foo: Int) {
+fun test(n: Int, foo: Int) {
     val t: Int = foo
 }
\ No newline at end of file
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInClass.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInClass.kt
index f53817ce462..c656d81f9eb 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInClass.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInClass.kt
@@ -1,8 +1,7 @@
 // "Create parameter 'foo'" "true"
 
 class A {
-    fun test(n: Int,
-             foo: Int) {
+    fun test(n: Int, foo: Int) {
         val t: Int = foo
     }
 }
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInGenClass.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInGenClass.kt
index 69793ff6134..388c3b3e945 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInGenClass.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInFunInGenClass.kt
@@ -1,8 +1,7 @@
 // "Create parameter 'foo'" "true"
 
 class A<T> {
-    fun test(n: Int,
-             foo: T) {
+    fun test(n: Int, foo: T) {
         val t: T = foo
     }
 }
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInClass.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInClass.kt
index 2419b5251cc..a42704bc485 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInClass.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInClass.kt
@@ -1,8 +1,7 @@
 // "Create parameter 'foo'" "true"
 
 class A {
-    fun test<T>(n: Int,
-                foo: T) {
+    fun test<T>(n: Int, foo: T) {
         val t: T = foo
     }
 }
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInGenClass.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInGenClass.kt
index bb2fa117eff..3c6b6e394f6 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInGenClass.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInGenFunInGenClass.kt
@@ -1,8 +1,7 @@
 // "Create parameter 'foo'" "true"
 
 class A<T> {
-    fun test<T>(n: Int,
-                foo: T) {
+    fun test<T>(n: Int, foo: T) {
         val t: T = foo
     }
 }
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaNoParams.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaNoParams.kt
index 3f3cb8fabe5..b2b757cc02e 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaNoParams.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaNoParams.kt
@@ -1,7 +1,6 @@
 // "Create parameter 'foo'" "true"
 // ACTION: Create local variable 'foo'
 
-fun test(n: Int,
-         foo: Int) {
+fun test(n: Int, foo: Int) {
     val f: () -> Int = { foo }
 }
\ No newline at end of file
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithIt.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithIt.kt
index 3fbc98f2fb7..2361d71a0fe 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithIt.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithIt.kt
@@ -1,7 +1,6 @@
 // "Create parameter 'foo'" "true"
 // ACTION: Create local variable 'foo'
 
-fun test(n: Int,
-         foo: Int) {
+fun test(n: Int, foo: Int) {
     val f: (Int) -> Int = { foo }
 }
\ No newline at end of file
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithParams.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithParams.kt
index c80574ecf78..b0d96fa8391 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithParams.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithParams.kt
@@ -1,7 +1,6 @@
 // "Create parameter 'foo'" "true"
 // ACTION: Create local variable 'foo'
 
-fun test(n: Int,
-         foo: Int) {
+fun test(n: Int, foo: Int) {
     val f: (Int, Int) -> Int = { (a, b) -> foo }
 }
\ No newline at end of file
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithTypedParams.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithTypedParams.kt
index 841673caf11..c78a7acf9ab 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithTypedParams.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInLambdaWithTypedParams.kt
@@ -1,7 +1,6 @@
 // "Create parameter 'foo'" "true"
 // ACTION: Create local variable 'foo'
 
-fun test(n: Int,
-         foo: Any) {
+fun test(n: Int, foo: Any) {
     val f = { (a: Int, b: Int) -> foo }
 }
\ No newline at end of file
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInMultiLineLambdaNoParams.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInMultiLineLambdaNoParams.kt
index 5998f4aaf69..1939b073197 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInMultiLineLambdaNoParams.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterInMultiLineLambdaNoParams.kt
@@ -1,8 +1,7 @@
 // "Create parameter 'foo'" "true"
 // ACTION: Create local variable 'foo'
 
-fun test(n: Int,
-         foo: Int) {
+fun test(n: Int, foo: Int) {
     val f: () -> Int = {
         foo
     }
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterNullableType.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterNullableType.kt
index 617b1e99cb0..425ff1560b1 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterNullableType.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterNullableType.kt
@@ -1,6 +1,5 @@
 // "Create parameter 'foo'" "true"
 
-fun test(n: Int,
-         foo: Int?) {
+fun test(n: Int, foo: Int?) {
     val t: Int? = foo
 }
\ No newline at end of file
diff --git a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterWithPackageName.kt b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterWithPackageName.kt
index ae6e3b9276b..5792eec76b2 100644
--- a/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterWithPackageName.kt
+++ b/idea/testData/quickfix/createFromUsage/createVariable/parameter/afterWithPackageName.kt
@@ -2,7 +2,6 @@
 
 package foo
 
-fun test(n: Int,
-         foo: Int) {
+fun test(n: Int, foo: Int) {
     val t: Int = foo
 }
\ No newline at end of file
diff --git a/idea/testData/refactoring/changeSignature/ConstructorJavaUsagesAfter.kt b/idea/testData/refactoring/changeSignature/ConstructorJavaUsagesAfter.kt
index 52a36d8ae8b..e98707e6b1e 100644
--- a/idea/testData/refactoring/changeSignature/ConstructorJavaUsagesAfter.kt
+++ b/idea/testData/refactoring/changeSignature/ConstructorJavaUsagesAfter.kt
@@ -1,4 +1,3 @@
-open class A(n: Int,
-             s: String)
+open class A(n: Int, s: String)
 
 class B: A(1, "abc")
\ No newline at end of file
diff --git a/idea/testData/refactoring/changeSignature/ConstructorSwapArgumentsAfter.kt b/idea/testData/refactoring/changeSignature/ConstructorSwapArgumentsAfter.kt
index b40132f6d0f..7dedc491d7a 100644
--- a/idea/testData/refactoring/changeSignature/ConstructorSwapArgumentsAfter.kt
+++ b/idea/testData/refactoring/changeSignature/ConstructorSwapArgumentsAfter.kt
@@ -1,6 +1,4 @@
-open class C1 protected (x3: ((Int) -> Int)?,
-                         var _x2: Float,
-                         val _x1: Int = 1) {
+open class C1 protected (x3: ((Int) -> Int)?, var _x2: Float, val _x1: Int = 1) {
     fun bar() {
         val y1 = _x1;
         val y2 = _x2;
diff --git a/idea/testData/refactoring/changeSignature/ExpressionFunctionAfter.kt b/idea/testData/refactoring/changeSignature/ExpressionFunctionAfter.kt
index 6891478720a..eca46c606b0 100644
--- a/idea/testData/refactoring/changeSignature/ExpressionFunctionAfter.kt
+++ b/idea/testData/refactoring/changeSignature/ExpressionFunctionAfter.kt
@@ -1,2 +1 @@
-fun fun1(x1: Int,
-         y1: Int): Int = x1 * 2 + fun1(x1, )
+fun fun1(x1: Int, y1: Int): Int = x1 * 2 + fun1(x1, )
diff --git a/idea/testData/refactoring/changeSignature/FunctionJavaUsagesAndOverridesAfter.kt b/idea/testData/refactoring/changeSignature/FunctionJavaUsagesAndOverridesAfter.kt
index 1cfdc090d29..6e7862604e8 100644
--- a/idea/testData/refactoring/changeSignature/FunctionJavaUsagesAndOverridesAfter.kt
+++ b/idea/testData/refactoring/changeSignature/FunctionJavaUsagesAndOverridesAfter.kt
@@ -1,9 +1,7 @@
 open class A {
-    open fun foo(n: Int,
-                 s: String): String = ""
+    open fun foo(n: Int, s: String): String = ""
 }
 
 class B: A() {
-    override fun foo(n: Int,
-                     s: String): String = ""
+    override fun foo(n: Int, s: String): String = ""
 }
\ No newline at end of file
diff --git a/idea/testData/refactoring/changeSignature/FunctionLiteralAfter.kt b/idea/testData/refactoring/changeSignature/FunctionLiteralAfter.kt
index 376f9e6f3f1..c8fac6d9292 100644
--- a/idea/testData/refactoring/changeSignature/FunctionLiteralAfter.kt
+++ b/idea/testData/refactoring/changeSignature/FunctionLiteralAfter.kt
@@ -1,5 +1,3 @@
 fun foo() {
-    val v1 = {(z: Int,
-               y1: String,
-               x: Any): Int -> println(z); println(y1) }
+    val v1 = {(z: Int, y1: String, x: Any): Int -> println(z); println(y1) }
 }
\ No newline at end of file
diff --git a/idea/testData/refactoring/changeSignature/FunctionsAddRemoveArgumentsAfter.kt b/idea/testData/refactoring/changeSignature/FunctionsAddRemoveArgumentsAfter.kt
index bb5ea602529..85f76ca5161 100644
--- a/idea/testData/refactoring/changeSignature/FunctionsAddRemoveArgumentsAfter.kt
+++ b/idea/testData/refactoring/changeSignature/FunctionsAddRemoveArgumentsAfter.kt
@@ -1,6 +1,4 @@
-fun foo(x0: Any?,
-        x1: Int = 1,
-        x2: Float) {
+fun foo(x0: Any?, x1: Int = 1, x2: Float) {
     foo(null, 2, 3.5);
     val y1 = x1;
     val y2 = x2;
diff --git a/idea/testData/refactoring/changeSignature/NoDefaultValuesInOverridesAfter.kt b/idea/testData/refactoring/changeSignature/NoDefaultValuesInOverridesAfter.kt
index 8cd2f78a6a6..45c60318503 100644
--- a/idea/testData/refactoring/changeSignature/NoDefaultValuesInOverridesAfter.kt
+++ b/idea/testData/refactoring/changeSignature/NoDefaultValuesInOverridesAfter.kt
@@ -1,18 +1,15 @@
 trait T {
-    fun foo(a: Int = 1,
-            b: String = "2")
+    fun foo(a: Int = 1, b: String = "2")
 }
 
 open class A: T {
-    override fun foo(a: Int,
-                     b: String) {
+    override fun foo(a: Int, b: String) {
         throw UnsupportedOperationException()
     }
 }
 
 class B: A() {
-    override fun foo(a: Int,
-                     b: String) {
+    override fun foo(a: Int, b: String) {
         throw UnsupportedOperationException()
     }
 }
\ No newline at end of file
diff --git a/idea/testData/refactoring/changeSignature/OverridesInEnumEntriesAfter.kt b/idea/testData/refactoring/changeSignature/OverridesInEnumEntriesAfter.kt
index 8fccda67ee9..de37cc6936e 100644
--- a/idea/testData/refactoring/changeSignature/OverridesInEnumEntriesAfter.kt
+++ b/idea/testData/refactoring/changeSignature/OverridesInEnumEntriesAfter.kt
@@ -1,16 +1,13 @@
 enum class E {
-    open fun foo(n: Int,
-                 s: String): Int = n
+    open fun foo(n: Int, s: String): Int = n
 
     O
     A {
-        override fun foo(n: Int,
-                         s: String): Int = n + 1
+        override fun foo(n: Int, s: String): Int = n + 1
 
     }
     B {
-        override fun foo(n: Int,
-                         s: String): Int = n + 2
+        override fun foo(n: Int, s: String): Int = n + 2
 
     }
 }
\ No newline at end of file