diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..8bf4d45
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,6 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..fb7f4a8
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="11" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..310e0f2
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+          </set>
+        </option>
+        <option name="useQualifiedModuleNames" value="true" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..13288e6
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven" />
+      <option name="name" value="maven" />
+      <option name="url" value="https://jitpack.io" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..e5c7225
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CppTools.Loader" reportImplicitCastToBool="false" reportNameReferencedOnce="false" version="3" compilerSelect="AUTO" />
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="false" project-jdk-name="11" project-jdk-type="JavaSDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/main/java/com/realtimetech/kson/util/string/StringWriter.java b/src/main/java/com/realtimetech/kson/util/string/StringWriter.java
index 70872a6..61a3a25 100644
--- a/src/main/java/com/realtimetech/kson/util/string/StringWriter.java
+++ b/src/main/java/com/realtimetech/kson/util/string/StringWriter.java
@@ -53,7 +53,7 @@ public void write(char[] src) {
 	}
 
 	public void write(char[] src, int offset, int length) {
-		int size = length - offset;
+		int size = length;
 		int need = this.currentIndex + size;
 		if (need >= this.currentSize) {
 			raise(need);
diff --git a/src/main/java/com/realtimetech/kson/writer/KsonWriter.java b/src/main/java/com/realtimetech/kson/writer/KsonWriter.java
index 2ec4695..cf4f99a 100644
--- a/src/main/java/com/realtimetech/kson/writer/KsonWriter.java
+++ b/src/main/java/com/realtimetech/kson/writer/KsonWriter.java
@@ -139,29 +139,26 @@ private void writeString(String value) throws IOException {
 
 		int last = 0;
 		int length = value.length();
+
 		for (int i = 0; i < length; i++) {
 			char c = value.charAt(i);
-			char[] replacement;
+			char[] replacement = null;
 			if (c < 128) {
 				replacement = CONST_REPLACEMENT_CHARS[c];
-
-				if (replacement == null) {
-					continue;
-				}
 			} else if (c == '\u2028') {
 				replacement = CONST_U2028;
 			} else if (c == '\u2029') {
 				replacement = CONST_U2029;
-			} else {
-				continue;
 			}
 
-			if (last < i) {
-				stringWriter.write(charArray, last, i - last);
-			}
+			if(replacement != null){
+				if (last < i) {
+					stringWriter.write(charArray, last, i - last);
+				}
 
-			stringWriter.write(replacement);
-			last = i + 1;
+				stringWriter.write(replacement);
+				last = i + 1;
+			}
 		}
 
 		if (last < length) {
@@ -169,5 +166,6 @@ private void writeString(String value) throws IOException {
 		}
 
 		stringWriter.write('\"');
+
 	}
 }