From a12ca312aa554a53df2b73be0be3724f3a194b83 Mon Sep 17 00:00:00 2001
From: Marwin Hochfelsner <50826859+hlfan@users.noreply.github.com>
Date: Thu, 11 Dec 2025 11:33:17 +0100
Subject: [PATCH] Stop arguments in path or query from being interpreted as
 hashes

---
 lib/tag2link.rb           | 2 +-
 test/lib/tag2link_test.rb | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/tag2link.rb b/lib/tag2link.rb
index e0b2760b7..3d835fc89 100644
--- a/lib/tag2link.rb
+++ b/lib/tag2link.rb
@@ -12,7 +12,7 @@ module Tag2link
     url_template = @dict[key]
     return nil unless url_template
 
-    url_template.gsub("$1", value)
+    url_template.gsub("$1", value.sub(/^#/, ""))
   end
 
   def self.build_dict(data)
diff --git a/test/lib/tag2link_test.rb b/test/lib/tag2link_test.rb
index cc207cfa8..8fdf7e9e3 100644
--- a/test/lib/tag2link_test.rb
+++ b/test/lib/tag2link_test.rb
@@ -16,6 +16,11 @@ class Tag2linkTest < ActiveSupport::TestCase
     assert_equal "https://www.wikidata.org/entity/Q936", url
   end
 
+  def test_link_strips_path_terminators
+    url = Tag2link.link("hashtags", "#maproulette")
+    assert_equal "https://resultmaps.neis-one.org/osm-changesets?comment=maproulette", url
+  end
+
   def test_build_dict_rejects_deprecated_and_third_party
     data = [
       { "key" => "Key:example", "url" => "http://example.com/$1", "rank" => "deprecated", "source" => "osmwiki:P8" },
-- 
2.39.5