--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlDocletWriter.java	Sun Nov 11 21:24:46 2018 +0100
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlDocletWriter.java	Mon Nov 12 13:31:41 2018 +0530
@@ -65,6 +65,7 @@
 import com.sun.source.doctree.SeeTree;
 import com.sun.source.doctree.StartElementTree;
 import com.sun.source.doctree.SummaryTree;
+import com.sun.source.doctree.SystemPropertyTree;
 import com.sun.source.doctree.TextTree;
 import com.sun.source.util.SimpleDocTreeVisitor;
 
@@ -1531,6 +1532,17 @@
                     return false;
                 }
 
+                @Override
+                public Boolean visitSystemProperty(SystemPropertyTree node, Content p) {
+                    Content output = TagletWriter.getInlineTagOutput(element,
+                            configuration.tagletManager, holderTag, tag,
+                            getTagletWriterInstance(isFirstSentence, inSummary));
+                    if (output != null) {
+                        result.addContent(output);
+                    }
+                    return false;
+                }
+
                 private CharSequence textCleanup(String text, boolean isLast) {
                     return textCleanup(text, isLast, false);
                 }