--- a/js/src/jsapi-tests/selfTest.cpp
+++ b/js/src/jsapi-tests/selfTest.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 
 BEGIN_TEST(selfTest_NaNsAreSame)
 {
     jsvalRoot v1(cx), v2(cx);
     EVAL("0/0", v1.addr());  // NaN
     CHECK_SAME(v1, v1);
 

--- a/js/src/jsapi-tests/testContexts.cpp
+++ b/js/src/jsapi-tests/testContexts.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 
 BEGIN_TEST(testContexts_IsRunning)
     {
         CHECK(JS_DefineFunction(cx, global, "chk", chk, 0, 0));
         EXEC("for (var i = 0; i < 9; i++) chk();");
         return true;
     }
@@ -33,47 +37,47 @@ struct ThreadData {
     JSRuntime *rt;
     JSObject *obj;
     const char *code;
     bool ok;
 };
 
 BEGIN_TEST(testContexts_bug561444)
     {
-	const char *code = "<a><b/></a>.b.@c = '';";
-	EXEC(code);
+        const char *code = "<a><b/></a>.b.@c = '';";
+        EXEC(code);
 
-	jsrefcount rc = JS_SuspendRequest(cx);
-	{
-	    ThreadData data = {rt, global, code, false};
-	    PRThread *thread = 
-		PR_CreateThread(PR_USER_THREAD, threadMain, &data,
-				PR_PRIORITY_NORMAL, PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
-	    CHECK(thread);
-	    PR_JoinThread(thread);
-	    CHECK(data.ok);
-	}
-	JS_ResumeRequest(cx, rc);
+        jsrefcount rc = JS_SuspendRequest(cx);
+        {
+            ThreadData data = {rt, global, code, false};
+            PRThread *thread = 
+                PR_CreateThread(PR_USER_THREAD, threadMain, &data,
+                                PR_PRIORITY_NORMAL, PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
+            CHECK(thread);
+            PR_JoinThread(thread);
+            CHECK(data.ok);
+        }
+        JS_ResumeRequest(cx, rc);
         return true;
     }
 
     static void threadMain(void *arg) {
-	ThreadData *d = (ThreadData *) arg;
+        ThreadData *d = (ThreadData *) arg;
 
-	JSContext *cx = JS_NewContext(d->rt, 8192);
-	if (!cx)
-	    return;
-	JS_BeginRequest(cx);
-	{
-	    jsvalRoot v(cx);
-	    if (!JS_EvaluateScript(cx, d->obj, d->code, strlen(d->code), __FILE__, __LINE__, v.addr()))
-		return;
-	}
-	JS_DestroyContext(cx);
-	d->ok = true;
+        JSContext *cx = JS_NewContext(d->rt, 8192);
+        if (!cx)
+            return;
+        JS_BeginRequest(cx);
+        {
+            jsvalRoot v(cx);
+            if (!JS_EvaluateScript(cx, d->obj, d->code, strlen(d->code), __FILE__, __LINE__, v.addr()))
+                return;
+        }
+        JS_DestroyContext(cx);
+        d->ok = true;
     }
 END_TEST(testContexts_bug561444)
 #endif
 
 BEGIN_TEST(testContexts_bug563735)
 {
     JSContext *cx2 = JS_NewContext(rt, 8192);
     CHECK(cx2);
@@ -92,26 +96,26 @@ BEGIN_TEST(testContexts_bug563735)
 END_TEST(testContexts_bug563735)
 
 BEGIN_TEST(testContexts_bug570764)
 {
     JSRuntime *rt2 = JS_NewRuntime(8L * 1024 * 1024);
     CHECK(rt2);
 
     {
-	// Create and destroy first context.
-	JSContext *cx2 = JS_NewContext(rt2, 8192);
-	CHECK(cx2);
-	JS_BeginRequest(cx2);
-	JSObject *obj = JS_NewGlobalObject(cx2, getGlobalClass());
-	CHECK(obj);
-	jsvalRoot objr(cx2, OBJECT_TO_JSVAL(obj));
-	JS_DestroyContext(cx2);
+        // Create and destroy first context.
+        JSContext *cx2 = JS_NewContext(rt2, 8192);
+        CHECK(cx2);
+        JS_BeginRequest(cx2);
+        JSObject *obj = JS_NewGlobalObject(cx2, getGlobalClass());
+        CHECK(obj);
+        jsvalRoot objr(cx2, OBJECT_TO_JSVAL(obj));
+        JS_DestroyContext(cx2);
 
-	// Create and destroy second context.
-	cx2 = JS_NewContext(rt2, 8192);
-	CHECK(cx2);
-	JS_DestroyContext(cx2);
+        // Create and destroy second context.
+        cx2 = JS_NewContext(rt2, 8192);
+        CHECK(cx2);
+        JS_DestroyContext(cx2);
     }
     JS_DestroyRuntime(rt2);
     return true;
 }
 END_TEST(testContexts_bug570764)

--- a/js/src/jsapi-tests/testDebugger.cpp
+++ b/js/src/jsapi-tests/testDebugger.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 #include "jsdbgapi.h"
 
 static int callCount[2] = {0, 0};
 
 static void *
 callHook(JSContext *cx, JSStackFrame *fp, JSBool before, JSBool *ok, void *closure)
 {

--- a/js/src/jsapi-tests/testDefineGetterSetterNonEnumerable.cpp
+++ b/js/src/jsapi-tests/testDefineGetterSetterNonEnumerable.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 #include "jsxdrapi.h"
 
 static JSBool
 native(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
 {
     return JS_TRUE;
 }

--- a/js/src/jsapi-tests/testDefineProperty.cpp
+++ b/js/src/jsapi-tests/testDefineProperty.cpp
@@ -1,10 +1,10 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=4 sw=4 et tw=99:
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
  */
 
 #include "tests.h"
 
 BEGIN_TEST(testDefineProperty_bug564344)
 {
     jsvalRoot x(cx);
     EVAL("function f() {}\n"

--- a/js/src/jsapi-tests/testExtendedEq.cpp
+++ b/js/src/jsapi-tests/testExtendedEq.cpp
@@ -1,10 +1,10 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=4 sw=4 et tw=99:
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
  *
  * This tests user-specified (via JSExtendedClass) equality operations on
  * trace.
  */
 
 #include "tests.h"
 
 static JSBool

--- a/js/src/jsapi-tests/testGCChunkAlloc.cpp
+++ b/js/src/jsapi-tests/testGCChunkAlloc.cpp
@@ -1,10 +1,10 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=4 sw=4 et tw=99:
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
  *
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/licenses/publicdomain/
  * Contributor: Igor Bukanov
  */
 
 #include "tests.h"
 #include "jsgcchunk.h"

--- a/js/src/jsapi-tests/testIntString.cpp
+++ b/js/src/jsapi-tests/testIntString.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 
 BEGIN_TEST(testIntString_bug515273)
 {
     jsvalRoot v(cx);
     EVAL("'42';", v.addr());
 
     JSString *str = JSVAL_TO_STRING(v.value());

--- a/js/src/jsapi-tests/testIsAboutToBeFinalized.cpp
+++ b/js/src/jsapi-tests/testIsAboutToBeFinalized.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 #include "jsstr.h"
 
 static JSGCCallback oldGCCallback;
 
 static void **checkPointers;
 static jsuint checkPointersLength;
 

--- a/js/src/jsapi-tests/testLookup.cpp
+++ b/js/src/jsapi-tests/testLookup.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 #include "jsfun.h"  // for js::IsInternalFunctionObject
 
 BEGIN_TEST(testLookup_bug522590)
 {
     // Define a function that makes method-bearing objects.
     jsvalRoot x(cx);
     EXEC("function mkobj() { return {f: function () {return 2;}} }");

--- a/js/src/jsapi-tests/testNewObject.cpp
+++ b/js/src/jsapi-tests/testNewObject.cpp
@@ -1,10 +1,10 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=4 sw=4 et tw=99:
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
  */
 
 #include "tests.h"
 
 const size_t N = 1000;
 static jsval argv[N];
 
 static JSBool

--- a/js/src/jsapi-tests/testPropCache.cpp
+++ b/js/src/jsapi-tests/testPropCache.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 
 static int g_counter;
 
 static JSBool
 CounterAdd(JSContext *cx, JSObject *obj, jsval idval, jsval *vp)
 {
     g_counter++;

--- a/js/src/jsapi-tests/testSameValue.cpp
+++ b/js/src/jsapi-tests/testSameValue.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 
 BEGIN_TEST(testSameValue)
 {
     jsvalRoot v1(cx);
     jsvalRoot v2(cx);
 
     /*

--- a/js/src/jsapi-tests/testSeal.cpp
+++ b/js/src/jsapi-tests/testSeal.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 
 BEGIN_TEST(testSeal_bug535703)
 {
     JSObject *obj = JS_NewObject(cx, NULL, NULL, NULL);
     CHECK(obj);
     JS_SealObject(cx, obj, JS_TRUE);  // don't crash
     return true;

--- a/js/src/jsapi-tests/testSetPropertyWithNativeGetterStubSetter.cpp
+++ b/js/src/jsapi-tests/testSetPropertyWithNativeGetterStubSetter.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 #include "jsxdrapi.h"
 
 static JSBool
 nativeGet(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
 {
     *vp = INT_TO_JSVAL(17);
     return JS_TRUE;

--- a/js/src/jsapi-tests/testTrap.cpp
+++ b/js/src/jsapi-tests/testTrap.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 #include "jsdbgapi.h"
 
 static int emptyTrapCallCount = 0;
 
 static JSTrapStatus
 EmptyTrapHandler(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval,
                  jsval closure)

--- a/js/src/jsapi-tests/testXDR.cpp
+++ b/js/src/jsapi-tests/testXDR.cpp
@@ -1,8 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sw=4 et tw=99:
+ */
+
 #include "tests.h"
 #include "jsscript.h"
 #include "jsxdrapi.h"
 
 BEGIN_TEST(testXDR_bug506491)
 {
     const char *s =
         "function makeClosure(s, name, value) {\n"