Rewrite MathJax URL in Javadoc configuration (POM).
diff --git a/pom.xml b/pom.xml
index 8e82837..5af67c9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -123,6 +123,10 @@
     <statistics.commons.rng.version>1.3</statistics.commons.rng.version>
     <statistics.commons.numbers.version>1.0-SNAPSHOT</statistics.commons.numbers.version> <!-- XXX -->
     <statistics.commons.math3.version>3.6.1</statistics.commons.math3.version>
+    <statistics.mathjax.url>https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js</statistics.mathjax.url>
+
+    <allowscript.javadoc.qualifier>--allow-script-in-comments</allowscript.javadoc.qualifier>
+    <doclint.javadoc.qualifier>-Xdoclint:all</doclint.javadoc.qualifier>
   </properties>
 
   <dependencyManagement>
@@ -328,7 +332,7 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
         <configuration>
-          <additionalOptions>-Xdoclint:all --allow-script-in-comments -header '&lt;script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/${rng.mathjax.version}/MathJax.js?config=TeX-AMS-MML_HTMLorMML"&gt;&lt;/script&gt;'</additionalOptions>
+          <additionalOptions>${doclint.javadoc.qualifier} ${allowscript.javadoc.qualifier} -header '&lt;script type="text/javascript" async src="${statistics.mathjax.url}"&gt;&lt;/script&gt;'</additionalOptions>
           <!-- <aggregate>true</aggregate> -->
         </configuration>
       </plugin>
@@ -452,7 +456,7 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
         <configuration>
-          <additionalOptions>-Xdoclint:all --allow-script-in-comments -header '&lt;script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/${rng.mathjax.version}/MathJax.js?config=TeX-AMS-MML_HTMLorMML"&gt;&lt;/script&gt;'</additionalOptions>
+          <additionalOptions>${doclint.javadoc.qualifier} ${allowscript.javadoc.qualifier} -header '&lt;script type="text/javascript" async src="${statistics.mathjax.url}"&gt;&lt;/script&gt;'</additionalOptions>
           <!-- <aggregate>true</aggregate> -->
         </configuration>
       </plugin>