Book Marx: Properly format bookmarks.

Change-Id: Idd6f2c4622d4b1a16c74b2d3af02e637625732fc
diff --git a/pom.xml b/pom.xml
index 1701c09..5377fe1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,6 +34,7 @@
     <jakarta-jacc-api.version>1.6.1</jakarta-jacc-api.version>
     <jna.version>5.5.0</jna.version>
     <jsoup.version>1.12.1</jsoup.version>
+    <flexmark.version>0.60.2</flexmark.version>
   </properties>
 
   <dependencyManagement>
@@ -61,6 +62,13 @@
         <version>${jsoup.version}</version>
       </dependency>
 
+      <!-- FlexMark -->
+      <dependency>
+        <groupId>com.vladsch.flexmark</groupId>
+        <artifactId>flexmark-all</artifactId>
+        <version>${flexmark.version}</version>
+      </dependency>
+
       <!-- JNA -->
       <dependency>
         <groupId>net.java.dev.jna</groupId>
@@ -203,6 +211,12 @@
       <artifactId>jsoup</artifactId>
     </dependency>
 
+    <!-- FlexMark -->
+    <dependency>
+      <groupId>com.vladsch.flexmark</groupId>
+      <artifactId>flexmark-all</artifactId>
+    </dependency>
+
     <!-- JOSE for Java -->
     <dependency>
       <groupId>org.bitbucket.b_c</groupId>