(commons-lang) 01/02: UPdate internal documentation

[ggregory]

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commit 95ba5daf30c10618697ddcbd92b4cfafa72fd0cf
Author: Gary Gregory <garydgreg...@gmail.com>
AuthorDate: Thu Dec 5 11:22:31 2024 -0500

    UPdate internal documentation
---
 src/main/java/org/apache/commons/lang3/LocaleUtils.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/org/apache/commons/lang3/LocaleUtils.java 
b/src/main/java/org/apache/commons/lang3/LocaleUtils.java
index c20d830eb..d9f84712c 100644
--- a/src/main/java/org/apache/commons/lang3/LocaleUtils.java
+++ b/src/main/java/org/apache/commons/lang3/LocaleUtils.java
@@ -60,6 +60,11 @@ public class LocaleUtils {
 
     /**
      * The undetermined language {@value}.
+     * <p>
+     * If a language is empty, or not <em>well-formed</am> (for example "a" or 
"e2"), {@link Locale#toLanguageTag()} will return {@code "und"} (Undetermined).
+     * </p>
+     *
+     * @see Locale#toLanguageTag()
      */
     private static final String UNDETERMINED = "und";