From 2c977623738be5f4bbb8807e6893bf0c48014390 Mon Sep 17 00:00:00 2001
From: Bryce Kwon <bryce@brycekwon.com>
Date: Mon, 2 Nov 2026 12:51:06 -1000
Subject: Keep counting across a split ordered list

---
 custom/extensions/about-render.lua     | 9 ++++++++-
 tests/extensions/test-about-render.lua | 7 +++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/custom/extensions/about-render.lua b/custom/extensions/about-render.lua
index 5738b00..35f30d0 100644
--- a/custom/extensions/about-render.lua
+++ b/custom/extensions/about-render.lua
@@ -309,7 +309,13 @@ local function emit_blocks(blocks)
 			html("</tbody></table>")
 		elseif kind == "list" then
 			local tag = block.ordered and "ol" or "ul"
-			html("<" .. tag .. ">")
+			html("<" .. tag)
+			-- Even a blank line between two items ends a list, so the next
+			-- one keeps counting from the number its first item gives.
+			if block.ordered and block.start ~= 1 then
+				html(" start='" .. block.start .. "'")
+			end
+			html(">")
 			for _, item in ipairs(block.items) do
 				html("<li>")
 				emit_lines(item)
@@ -626,6 +632,7 @@ if has_lpeg then
 				blocks[#blocks + 1] = {
 					kind = "list",
 					ordered = is_ordered,
+					start = is_ordered and tonumber(mark:match("%d+")),
 					items = items,
 				}
 			-- Four spaces or a tab start a code block, except straight
diff --git a/tests/extensions/test-about-render.lua b/tests/extensions/test-about-render.lua
index feb1a68..95e95bb 100644
--- a/tests/extensions/test-about-render.lua
+++ b/tests/extensions/test-about-render.lua
@@ -307,6 +307,13 @@ h.contains("dashes render an unordered list", out, "<ul><li>first</li><li>second
 out = render("README.md", "1. first\n2. second")
 h.contains("numbers render an ordered list", out, "<ol><li>first</li><li>second</li></ol>")
 
+out = render("README.md", "1. first\n\n2. second\n\n3. third")
+h.contains("a list split by blank lines keeps counting", out,
+	"<ol><li>first</li></ol><ol start='2'><li>second</li></ol><ol start='3'><li>third</li></ol>")
+
+out = render("README.md", "07) seventh\n08) eighth")
+h.contains("a list that opens past one starts there", out, "<ol start='7'><li>seventh</li><li>eighth</li></ol>")
+
 out = render("README.md", "- one\n  wrapped\n- two")
 h.contains("a wrapped item stays one item", out, "<ul><li>one\nwrapped</li><li>two</li></ul>")
 
-- 
cgit 2.12.1