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diff --git a/args4j/src/org/kohsuke/args4j/ClassParser.java b/args4j/src/org/kohsuke/args4j/ClassParser.java
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index 1f25aa3..047415e 100644
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--- a/args4j/src/org/kohsuke/args4j/ClassParser.java
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+++ b/args4j/src/org/kohsuke/args4j/ClassParser.java
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@@ -11,7 +11,7 @@
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  *
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  * This can be used to feed option bindings that span across multiple instances.
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  *
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- * @author Jan Mat�rne
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+ * @author Jan Materne
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  */
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 public class ClassParser {
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     public void parse(Object bean, CmdLineParser parser) {
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diff --git a/args4j/src/org/kohsuke/args4j/Config.java b/args4j/src/org/kohsuke/args4j/Config.java
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index bf594b6..0aa5888 100644
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--- a/args4j/src/org/kohsuke/args4j/Config.java
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+++ b/args4j/src/org/kohsuke/args4j/Config.java
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@@ -17,7 +17,7 @@
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  * Metadataconfiguration.
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  * This class holds all metadata for a class, mainly a list of @Options and @Arguments.
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  *
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- * @author Jan Mat�rne
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+ * @author Jan Materne
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  */
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 public class Config {
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@@ -31,7 +31,7 @@
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 	/**
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 	 * The ConfigElement is an <tt><option></tt> or <tt><argument></tt> tag
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 	 * in the xml configuration file.
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-	 * @author Jan Mat�rne
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+	 * @author Jan Materne
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 	 */
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 	public class ConfigElement {
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 		public String field;
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@@ -54,7 +54,7 @@ public boolean isInvalid() {
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 	/**
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 	 * SAX-Handler for reading the configuration file.
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-	 * @author Jan Mat�rne
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+	 * @author Jan Materne
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 	 */
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 	public class ConfigHandler extends DefaultHandler {
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 		public ConfigHandler(Config config) {
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diff --git a/args4j/src/org/kohsuke/args4j/Messages_de_DE.properties b/args4j/src/org/kohsuke/args4j/Messages_de_DE.properties
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index ab51cee..8483207 100644
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--- a/args4j/src/org/kohsuke/args4j/Messages_de_DE.properties
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+++ b/args4j/src/org/kohsuke/args4j/Messages_de_DE.properties
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@@ -1,17 +1,25 @@
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+# Unicode for Umlauts
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+#   Ae, ae     \u00c4, \u00e4
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+#   Oe, oe     \u00d6, \u00f6
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+#   Ue, ue     \u00dc, \u00fc
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+#   ss         \u00df
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+
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+
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+
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 MISSING_OPERAND = \
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-    Option "{0}" ben�tigt einen Operanden
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+    Option "{0}" ben\u00f6tigt einen Operanden
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 UNDEFINED_OPTION = \
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-    "{0}" ist keine g�ltige Option
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+    "{0}" ist keine g\u00fcltige Option
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 NO_ARGUMENT_ALLOWED = \
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     Kein Argument erlaubt: {0}
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 REQUIRED_OPTION_MISSING = \
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-    Option "{0}" wird ben�tigt
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+    Option "{0}" wird ben\u00f6tigt
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 REQUIRED_ARGUMENT_MISSING = \
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-    Argument "{0}" wird ben�tigt
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+    Argument "{0}" wird ben\u00f6tigt
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 TOO_MANY_ARGUMENTS = \
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     Zu viele Argumente: {0}
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diff --git a/args4j/src/org/kohsuke/args4j/XmlParser.java b/args4j/src/org/kohsuke/args4j/XmlParser.java
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index d4fd9b6..eb51bb9 100644
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--- a/args4j/src/org/kohsuke/args4j/XmlParser.java
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+++ b/args4j/src/org/kohsuke/args4j/XmlParser.java
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@@ -37,7 +37,7 @@
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  * <args>
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  * 
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  *
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- * @author Jan Mat�rne
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+ * @author Jan Materne
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  */
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 public class XmlParser {
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     public void parse(URL xml, CmdLineParser parser, Object bean) {