diff --git a/include/rapidjson/internal/dtoa.h b/include/rapidjson/internal/dtoa.h
index c888402..bf686b0 100644
--- a/include/rapidjson/internal/dtoa.h
+++ b/include/rapidjson/internal/dtoa.h
@@ -21,6 +21,7 @@
 
 #include "itoa.h" // GetDigitsLut()
 #include "diyfp.h"
+#include "ieee754.h"
 
 RAPIDJSON_NAMESPACE_BEGIN
 namespace internal {
@@ -193,6 +194,9 @@ inline char* Prettify(char* buffer, int length, int k) {
 
 inline char* dtoa(double value, char* buffer) {
     if (value == 0) {
+        Double d(value);
+        if (d.Sign())
+            *buffer++ = '-';     // -0.0, Issue #289
         buffer[0] = '0';
         buffer[1] = '.';
         buffer[2] = '0';
diff --git a/include/rapidjson/reader.h b/include/rapidjson/reader.h
index a59f26e..0ee2523 100644
--- a/include/rapidjson/reader.h
+++ b/include/rapidjson/reader.h
@@ -689,11 +689,13 @@ private:
                 }
                 else if (e == 'u') {    // Unicode
                     unsigned codepoint = ParseHex4(is);
+                    RAPIDJSON_PARSE_ERROR_EARLY_RETURN_VOID;
                     if (codepoint >= 0xD800 && codepoint <= 0xDBFF) {
                         // Handle UTF-16 surrogate pair
                         if (is.Take() != '\\' || is.Take() != 'u')
                             RAPIDJSON_PARSE_ERROR(kParseErrorStringUnicodeSurrogateInvalid, is.Tell() - 2);
                         unsigned codepoint2 = ParseHex4(is);
+                        RAPIDJSON_PARSE_ERROR_EARLY_RETURN_VOID;
                         if (codepoint2 < 0xDC00 || codepoint2 > 0xDFFF)
                             RAPIDJSON_PARSE_ERROR(kParseErrorStringUnicodeSurrogateInvalid, is.Tell() - 2);
                         codepoint = (((codepoint - 0xD800) << 10) | (codepoint2 - 0xDC00)) + 0x10000;
diff --git a/test/unittest/readertest.cpp b/test/unittest/readertest.cpp
index 64904b0..318f188 100644
--- a/test/unittest/readertest.cpp
+++ b/test/unittest/readertest.cpp
@@ -187,6 +187,8 @@ static void TestParseDouble() {
         Reader reader; \
         ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code()); \
         EXPECT_EQ(1u, h.step_); \
+        internal::Double e(x), a(h.actual_); \
+        EXPECT_EQ(e.Sign(), a.Sign()); \
         if (fullPrecision) { \
             EXPECT_EQ(x, h.actual_); \
             if (x != h.actual_) \
@@ -197,6 +199,7 @@ static void TestParseDouble() {
     }
     
     TEST_DOUBLE(fullPrecision, "0.0", 0.0);
+    TEST_DOUBLE(fullPrecision, "-0.0", -0.0); // For checking issue #289
     TEST_DOUBLE(fullPrecision, "1.0", 1.0);
     TEST_DOUBLE(fullPrecision, "-1.0", -1.0);
     TEST_DOUBLE(fullPrecision, "1.5", 1.5);
@@ -517,6 +520,10 @@ TEST(Reader, ParseString_Error) {
     // Incorrect hex digit after \\u escape in string.
     TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uABCG\"]");
 
+    // Quotation in \\u escape in string (Issue #288)
+    TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uaaa\"]");
+    TEST_STRING_ERROR(kParseErrorStringUnicodeEscapeInvalidHex, "[\"\\uD800\\uFFF\"]");
+
     // The surrogate pair in string is invalid.
     TEST_STRING_ERROR(kParseErrorStringUnicodeSurrogateInvalid, "[\"\\uD800X\"]");
     TEST_STRING_ERROR(kParseErrorStringUnicodeSurrogateInvalid, "[\"\\uD800\\uFFFF\"]");
diff --git a/test/unittest/writertest.cpp b/test/unittest/writertest.cpp
index 0ef1423..642161a 100644
--- a/test/unittest/writertest.cpp
+++ b/test/unittest/writertest.cpp
@@ -93,7 +93,7 @@ TEST(Writer, String) {
 
 TEST(Writer, Double) {
     TEST_ROUNDTRIP("[1.2345,1.2345678,0.123456789012,1234567.8]");
-
+    TEST_ROUNDTRIP("[-0.0]"); // Issue #289
 }
 
 TEST(Writer, Transcode) {