Reject an empty option name in getMatchingOptions (#434).

Javadoc

Author: garydgregory

src/changes/changes.xml

@@ -31,6 +31,7 @@
       <action type="fix" dev="ggregory" due-to="Dexter.k, Gary Gregory">Use Locale.ENGLISH when parsing dates in Converter.DATE (#426).</action>
       <action type="fix" dev="ggregory" due-to="Digiscrypt Technologies, Gary Gregory">Reject non-BMP code points in the Character type converter (#425).</action>
       <action type="fix" dev="ggregory" due-to="Digiscrypt Technologies, Gary Gregory">Reject invalid dates in Converter.DATE (#430).</action>
+      <action type="fix" dev="ggregory" due-to="farkhalit rida, Gary Gregory">Reject an empty option name in getMatchingOptions (#434).</action>
       <!-- ADD -->
       <!-- UPDATE -->
       <action type="update" dev="ggregory" due-to="Gary Gregory, Dependabot">Bump org.apache.commons:commons-parent from 91 to 103 #414, #416.</action>

src/main/java/org/apache/commons/cli/Options.java

@@ -213,7 +213,7 @@ public Options addRequiredOption(final String opt, final String longOpt, final b
      * Gets the options with a long name starting with the name specified.
      *
      * @param opt The partial name of the option, may be {@code null}.
-     * @return The options matching the partial name specified, or an empty list if none matches or the name is null or empty.
+     * @return A list of matching long option names, or an empty list if no matches were found.
      * @since 1.3
      */
     public List<String> getMatchingOptions(final String opt) {