From 5660ce6945c5feb1591000d1ca8a0fee35d8ea3f Mon Sep 17 00:00:00 2001
From: "Charles-P. Clermont" <charles@cpclermont.com>
Date: Tue, 14 Oct 2025 14:57:07 -0400
Subject: [PATCH] render end of string is not optional

---
 lib/liquid/tags/include.rb                | 2 ++
 lib/liquid/tags/render.rb                 | 2 ++
 test/integration/tags/include_tag_test.rb | 4 ++++
 test/integration/tags/render_tag_test.rb  | 4 ++++
 4 files changed, 12 insertions(+)

diff --git a/lib/liquid/tags/include.rb b/lib/liquid/tags/include.rb
index b72a235b..e9049e65 100644
--- a/lib/liquid/tags/include.rb
+++ b/lib/liquid/tags/include.rb
@@ -111,6 +111,8 @@ module Liquid
         @attributes[key] = safe_parse_expression(p)
         p.consume?(:comma) # optional comma
       end
+
+      p.consume(:end_of_string)
     end
 
     def strict_parse(markup)
diff --git a/lib/liquid/tags/render.rb b/lib/liquid/tags/render.rb
index 4f716b24..4df5b954 100644
--- a/lib/liquid/tags/render.rb
+++ b/lib/liquid/tags/render.rb
@@ -113,6 +113,8 @@ module Liquid
         @attributes[key] = safe_parse_expression(p)
         p.consume?(:comma) # optional comma
       end
+
+      p.consume(:end_of_string)
     end
 
     def rigid_template_name(p)
diff --git a/test/integration/tags/include_tag_test.rb b/test/integration/tags/include_tag_test.rb
index e8cd6857..9f92f1b2 100644
--- a/test/integration/tags/include_tag_test.rb
+++ b/test/integration/tags/include_tag_test.rb
@@ -220,6 +220,10 @@ class IncludeTagTest < Minitest::Test
         '{% include "snippet" !!! arg1: "value1" ~~~ arg2: "value2" %}',
         error_mode: mode,
       )
+      assert_syntax_error(
+        '{% include "snippet" | filter %}',
+        error_mode: mode,
+      )
     end
   end
 
diff --git a/test/integration/tags/render_tag_test.rb b/test/integration/tags/render_tag_test.rb
index b6cd5cfb..15a0adc2 100644
--- a/test/integration/tags/render_tag_test.rb
+++ b/test/integration/tags/render_tag_test.rb
@@ -121,6 +121,10 @@ class RenderTagTest < Minitest::Test
         '{% render "snippet" !!! arg1: "value1" ~~~ arg2: "value2" %}',
         error_mode: mode,
       )
+      assert_syntax_error(
+        '{% render "snippet" | filter %}',
+        error_mode: mode,
+      )
     end
   end