From ec328801e9c5b0d83d646dbbaf6a10c79223019a Mon Sep 17 00:00:00 2001
From: Steve Coast <steve@asklater.com>
Date: Tue, 8 May 2007 07:53:39 +0000
Subject: [PATCH] return blank <osm> if no nodes found

---
 app/controllers/api_controller.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index bb135a01f..820a5cb66 100644
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -60,6 +60,11 @@ class ApiController < ApplicationController
       report_error("You requested too many nodes (limit is 50,000). Either request a smaller area, or use planet.osm")
     end
 
+    if node_ids.length == 0
+      render :text => '<osm></osm>'
+      return
+    end
+
     # grab the segments
     segments = Array.new
     if node_ids.length > 0
-- 
2.43.2