Use readline history when ri is interactive

adam12 · adam12 · commit 3475e166bff5 · 2022-01-13T10:06:18.000-05:00
diff --git a/lib/rdoc/ri/driver.rb b/lib/rdoc/ri/driver.rb
@@ -1129,7 +1129,7 @@ def interactive
 
     loop do
       name = if defined? Readline then
-               Readline.readline ">> "
+               Readline.readline ">> ", true
              else
                print ">> "
                $stdin.gets
