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in repository https://gitbox.apache.org/repos/asf/commons-codec.git

commit 2df7b9a20ed600ad64bc00edf1c9a619edab76a0
Author: Gary Gregory <[email protected]>
AuthorDate: Fri Jan 16 07:10:27 2026 -0500

    Javadoc and exception messages: "base 64" -> "Base64".
---
 .../org/apache/commons/codec/binary/Base64.java    | 26 +++++++++-------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/src/main/java/org/apache/commons/codec/binary/Base64.java 
b/src/main/java/org/apache/commons/codec/binary/Base64.java
index 33b46c67..fcd2c8be 100644
--- a/src/main/java/org/apache/commons/codec/binary/Base64.java
+++ b/src/main/java/org/apache/commons/codec/binary/Base64.java
@@ -601,7 +601,7 @@ public class Base64 extends BaseNCodec {
     }
 
     /**
-     * Tests whether or not the {@code octet} is in the base 64 alphabet.
+     * Tests whether or not the {@code octet} is in the Base64 alphabet.
      * <p>
      * This method threats all characters included within standard base64 and 
base64url encodings as valid base64 characters. This includes the '+' and '/'
      * (standard base64), as well as '-' and '_' (URL-safe base64) characters. 
For enforcing verification against strict standard Base64 or Base64 URL-safe
@@ -609,7 +609,7 @@ public class Base64 extends BaseNCodec {
      * </p>
      *
      * @param octet The value to test.
-     * @return {@code true} if the value is defined in the base 64 alphabet, 
{@code false} otherwise.
+     * @return {@code true} if the value is defined in the Base64 alphabet, 
{@code false} otherwise.
      * @since 1.4
      */
     public static boolean isBase64(final byte octet) {
@@ -654,14 +654,14 @@ public class Base64 extends BaseNCodec {
     }
 
     /**
-     * Tests whether or not the {@code octet} is in the standard base 64 
alphabet.
+     * Tests whether or not the {@code octet} is in the standard Base64 
alphabet.
      * <p>
      * This implementation is aligned with <a 
href="https://www.ietf.org/rfc/rfc2045#:~:text=Table%201%3A%20The%20Base64%20Alphabet";>RFC
 2045 Table 1: The
      * Base64 Alphabet</a>.
      * </p>
      *
      * @param octet The value to test.
-     * @return {@code true} if the value is defined in the standard base 64 
alphabet, {@code false} otherwise.
+     * @return {@code true} if the value is defined in the standard Base64 
alphabet, {@code false} otherwise.
      * @since 1.21
      */
     public static boolean isBase64Standard(final byte octet) {
@@ -705,7 +705,7 @@ public class Base64 extends BaseNCodec {
     }
 
     /**
-     * Tests whether or not the {@code octet} is in the URL-safe base 64 
alphabet.
+     * Tests whether or not the {@code octet} is in the URL-safe Base64 
alphabet.
      * <p>
      * This implementation is aligned with
      * <a 
href="https://datatracker.ietf.org/doc/html/rfc4648#:~:text=Table%202%3A%20The%20%22URL%20and%20Filename%20safe%22%20Base%2064%20Alphabet";>RFC
 4648
@@ -713,7 +713,7 @@ public class Base64 extends BaseNCodec {
      * </p>
      *
      * @param octet The value to test.
-     * @return {@code true} if the value is defined in the URL-safe base 64 
alphabet, {@code false} otherwise.
+     * @return {@code true} if the value is defined in the URL-safe Base64 
alphabet, {@code false} otherwise.
      * @since 1.21
      */
     public static boolean isBase64Url(final byte octet) {
@@ -1164,7 +1164,7 @@ public class Base64 extends BaseNCodec {
     }
 
     /**
-     * Validates whether decoding the final trailing character is possible in 
the context of the set of possible base 64 values.
+     * Validates whether decoding the final trailing character is possible in 
the context of the set of possible Base64 values.
      * <p>
      * The character is valid if the lower bits within the provided mask are 
zero. This is used to test the final trailing base-64 digit is zero in the bits
      * that will be discarded.
@@ -1176,10 +1176,8 @@ public class Base64 extends BaseNCodec {
      */
     private void validateCharacter(final int emptyBitsMask, final Context 
context) {
         if (isStrictDecoding() && (context.ibitWorkArea & emptyBitsMask) != 0) 
{
-            throw new IllegalArgumentException(
-                "Strict decoding: Last encoded character (before the paddings 
if any) is a valid " +
-                "base 64 alphabet but not a possible encoding. " +
-                "Expected the discarded bits from the character to be zero.");
+            throw new IllegalArgumentException("Strict decoding: Last encoded 
character (before the paddings if any) is a valid "
+                    + "Base64 alphabet but not a possible encoding. Expected 
the discarded bits from the character to be zero.");
         }
     }
 
@@ -1190,10 +1188,8 @@ public class Base64 extends BaseNCodec {
      */
     private void validateTrailingCharacter() {
         if (isStrictDecoding()) {
-            throw new IllegalArgumentException(
-                "Strict decoding: Last encoded character (before the paddings 
if any) is a valid " +
-                "base 64 alphabet but not a possible encoding. " +
-                "Decoding requires at least two trailing 6-bit characters to 
create bytes.");
+            throw new IllegalArgumentException("Strict decoding: Last encoded 
character (before the paddings if any) is a valid "
+                    + "Base64 alphabet but not a possible encoding. Decoding 
requires at least two trailing 6-bit characters to create bytes.");
         }
     }
 

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