diff --git a/time4j-android/src/main/java/net/time4j/android/spi/AndroidResourceLoader.java b/time4j-android/src/main/java/net/time4j/android/spi/AndroidResourceLoader.java
index afa6ccd..eab4314 100644
--- a/time4j-android/src/main/java/net/time4j/android/spi/AndroidResourceLoader.java
+++ b/time4j-android/src/main/java/net/time4j/android/spi/AndroidResourceLoader.java
@@ -186,6 +186,8 @@ public InputStream load(
             }
         } catch (IOException ioe) {
             return null;
+        } catch (RuntimeException re) {
+            return null;
         }
 
     }
diff --git a/time4j-android/src/main/java/net/time4j/format/expert/ChronoFormatter.java b/time4j-android/src/main/java/net/time4j/format/expert/ChronoFormatter.java
index 3dd8e8a..2176510 100644
--- a/time4j-android/src/main/java/net/time4j/format/expert/ChronoFormatter.java
+++ b/time4j-android/src/main/java/net/time4j/format/expert/ChronoFormatter.java
@@ -4916,7 +4916,9 @@ public Builder<T> addIgnorableWhitespace() {
         /**
          * <p>Skips all characters from input as unparseable until at least given count of characters is left. </p>
          *
-         * <p>Note: This method is only relevant for parsing. During printing, this method does nothing. </p>
+         * <p>Note: This method is only relevant for parsing. If the argument is zero then the method is equivalent
+         * to setting the format attribute {@code Attributes.TRAILING_CHARACTERS}. During printing, this method does
+         * nothing. </p>
          *
          * @param   keepRemainingChars      minimum count of characters which should be reserved for following steps
          * @return  this instance for method chaining
@@ -4929,7 +4931,9 @@ public Builder<T> addIgnorableWhitespace() {
          * <p>Ignoriert alle Zeichen als nicht-interpretierbar, bis wenigstens die angegebene Anzahl von Zeichen
          * &uuml;brigbleibt. </p>
          *
-         * <p>Hinweis: Diese Methode ist nur beim Parsen relevant, in der Textausgabe macht die Methode nichts. </p>
+         * <p>Hinweis: Diese Methode ist nur beim Parsen relevant. Wenn das Argument den Wert 0 hat, dann ist diese
+         * Methode &auml;quivalent zum Setzen des Formatattributs {@code Attributes.TRAILING_CHARACTERS}.  In der
+         * Textausgabe macht die Methode nichts. </p>
          *
          * @param   keepRemainingChars      minimum count of characters which should be reserved for following steps
          * @return  this instance for method chaining