From 938025c47e8a382221103b8be664dc0edbc25dab Mon Sep 17 00:00:00 2001
From: Joel Drapper <j.drapper@plane.com>
Date: Wed, 7 May 2025 23:11:50 +0100
Subject: [PATCH 1/2] Add support for Date/Time attribute values

---
 lib/phlex/sgml.rb                 |  2 ++
 quickdraw/sgml/attributes.test.rb | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/phlex/sgml.rb b/lib/phlex/sgml.rb
index 655ddd99..e1084e9d 100644
--- a/lib/phlex/sgml.rb
+++ b/lib/phlex/sgml.rb
@@ -481,6 +481,8 @@ def json_escape(string)
 				v.name.tr("_", "-").gsub('"', "&quot;")
 			when Integer, Float
 				v.to_s
+			when Date, Time
+				v.iso8601
 			when Hash
 				case k
 				when :style
diff --git a/quickdraw/sgml/attributes.test.rb b/quickdraw/sgml/attributes.test.rb
index ea211899..ee8079af 100644
--- a/quickdraw/sgml/attributes.test.rb
+++ b/quickdraw/sgml/attributes.test.rb
@@ -176,6 +176,16 @@
 	assert_equal_html output, %(<div attribute="1.234"></div>)
 end
 
+test "_, Date" do
+	output = phlex { div(attribute: Date.new(2023, 1, 15)) }
+	assert_equal_html output, %(<div attribute="2023-01-15"></div>)
+end
+
+test "_, Time" do
+	output = phlex { div(attribute: Time.new(2023, 1, 15, 12, 30, 45)) }
+	assert_equal_html output, %(<div attribute="2023-01-15T12:30:45+00:00"></div>)
+end
+
 test "_, *invalid*" do
 	assert_raises(Phlex::ArgumentError) do
 		phlex { div(attribute: Object.new) }

From f76211a91ee07781f5fe19b736b9d96831e43e85 Mon Sep 17 00:00:00 2001
From: Joel Drapper <j.drapper@plane.com>
Date: Wed, 7 May 2025 23:16:33 +0100
Subject: [PATCH 2/2] Support older rubies

---
 lib/phlex/sgml.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/phlex/sgml.rb b/lib/phlex/sgml.rb
index e1084e9d..658607eb 100644
--- a/lib/phlex/sgml.rb
+++ b/lib/phlex/sgml.rb
@@ -481,8 +481,10 @@ def json_escape(string)
 				v.name.tr("_", "-").gsub('"', "&quot;")
 			when Integer, Float
 				v.to_s
-			when Date, Time
+			when Date
 				v.iso8601
+			when Time
+				v.respond_to?(:iso8601) ? v.iso8601 : v.strftime("%Y-%m-%dT%H:%M:%S%:z")
 			when Hash
 				case k
 				when :style