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commit 77fa03c451ab7ead39bdb9dcc610251dbf2751f6
Author: Adam Retter <adam.ret...@googlemail.com>
AuthorDate: Wed Jun 24 11:47:17 2020 +0200

    Expand on the functionality in the Javadoc
---
 src/main/java/org/apache/commons/codec/binary/Base16.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/main/java/org/apache/commons/codec/binary/Base16.java 
b/src/main/java/org/apache/commons/codec/binary/Base16.java
index b421e23..5db9043 100644
--- a/src/main/java/org/apache/commons/codec/binary/Base16.java
+++ b/src/main/java/org/apache/commons/codec/binary/Base16.java
@@ -26,6 +26,15 @@ import org.apache.commons.codec.CodecPolicy;
  * This class is thread-safe.
  * </p>
  *
+ * This implementation strictly follows RFC 4648, and as such unlike
+ * the {@link Base32} and {@link Base64} implementations,
+ * it does not ignore invalid alphabet characters or whitespace,
+ * neither does it offer chunking or padding characters.
+ *
+ * The only additional feature above those specified in RFC 4648
+ * is support for working with a lower-case alphabet in addition
+ * to the default upper-case alphabet.
+ *
  * @see <a href="https://tools.ietf.org/html/rfc4648#section-8";>RFC 4648 - 8. 
Base 16 Encoding</a>
  *
  * @since 1.15

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