--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/tool/JShellTool.java	Fri Jun 16 04:54:37 2017 +0000
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/tool/JShellTool.java	Fri Jun 16 10:32:46 2017 -0700
@@ -1706,9 +1706,13 @@
         // Documentation pseudo-commands
         registerCommand(new Command("/<id>",
                 "help.id",
+                arg -> cmdHelp("rerun"),
+                EMPTY_COMPLETION_PROVIDER,
                 CommandKind.HELP_ONLY));
         registerCommand(new Command("/-<n>",
                 "help.previous",
+                arg -> cmdHelp("rerun"),
+                EMPTY_COMPLETION_PROVIDER,
                 CommandKind.HELP_ONLY));
         registerCommand(new Command("intro",
                 "help.intro",