From d8e4b8ff78cb75cf87a423e986bcecdbf8798cc2 Mon Sep 17 00:00:00 2001
From: Viuginov Nickolay <nickolay.viuginov@jetbrains.com>
Date: Fri, 23 Mar 2018 19:28:24 +0300
Subject: [PATCH] check if block given before yield in xml's print_element

---
 lib/ruby-debug-ide/xml_printer.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ruby-debug-ide/xml_printer.rb b/lib/ruby-debug-ide/xml_printer.rb
index de425f5..365ed36 100644
--- a/lib/ruby-debug-ide/xml_printer.rb
+++ b/lib/ruby-debug-ide/xml_printer.rb
@@ -442,7 +442,7 @@ def print_load_result(file, exception = nil)
     def print_element(name)
       print("<#{name}>")
       begin
-        yield
+        yield if block_given?
       ensure
         print("</#{name}>")
       end