From bb04aa6c800bc179d74fecc2ac2b4e810758b15d Mon Sep 17 00:00:00 2001
From: Bryce Kwon <bryce@brycekwon.com>
Date: Sat, 31 Oct 2026 13:12:15 -0700
Subject: Drop the readme hooks that nothing reads

Nothing in assets/ or in README's list of hooks reads a fenced block's
data-lang or the manpage class on a man page's wrapper, so the header
now names the two wrappers the stylesheet does style.
---
 custom/extensions/about-render.lua | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

(limited to 'custom/extensions')

diff --git a/custom/extensions/about-render.lua b/custom/extensions/about-render.lua
index 808dd08..9474225 100644
--- a/custom/extensions/about-render.lua
+++ b/custom/extensions/about-render.lua
@@ -3,8 +3,9 @@
 -- interpreter so a readme costs no extra process per request. Markdown, man
 -- pages and plain text are the three formats, chosen from the readme's file
 -- extension, and anything that fails to parse falls back to escaped plain
--- text. The wrappers it emits carry the classes that assets/cgit.css styles.
--- It runs on Lua 5.1 through 5.5 and LuaJIT.
+-- text. Markdown and man pages come out in div.markdown and plain text in
+-- pre.plaintext, the two wrappers assets/cgit.css styles. It runs on Lua 5.1
+-- through 5.5 and LuaJIT.
 --
 --     about-filter=lua:/usr/local/lib/cgit/filters/about-render.lua
 
@@ -285,13 +286,7 @@ emit_blocks = function(blocks)
 		elseif kind == "hr" then
 			html("<hr>")
 		elseif kind == "code" then
-			html("<pre><code")
-			if block.lang and block.lang ~= "" then
-				html(" data-lang='")
-				html_attr(block.lang)
-				html("'")
-			end
-			html(">")
+			html("<pre><code>")
 			html_txt(block.text)
 			html("</code></pre>")
 		elseif kind == "blockquote" then
@@ -452,7 +447,6 @@ if has_lpeg then
 		return nodes
 	end
 
-	local lang_char = R("az", "AZ", "09") + S("_.+#-")
 	local heading_line = C(P("#") * P("#") ^ -5) * space ^ 1 * C(P(1) ^ 0)
 	-- A run of equals signs or dashes under a paragraph turns it into a
 	-- heading, as on GitHub, rather than reading as more of its text.
@@ -463,7 +457,7 @@ if has_lpeg then
 		return space ^ 0 * P(mark) * (space ^ 0 * P(mark)) ^ 2 * space ^ 0 * eol
 	end
 	local break_line = thematic("-") + thematic("*") + thematic("_")
-	local fence_line = space ^ 0 * (C(P("`") ^ 3) + C(P("~") ^ 3)) * space ^ 0 * C(lang_char ^ 0)
+	local fence_line = space ^ 0 * (C(P("`") ^ 3) + C(P("~") ^ 3))
 	local close_backtick = space ^ 0 * P("`") ^ 3 * space ^ 0 * eol
 	local close_tilde = space ^ 0 * P("~") ^ 3 * space ^ 0 * eol
 	local quote_line = space ^ 0 * P(">")
@@ -548,7 +542,7 @@ if has_lpeg then
 		local blocks, i, n = {}, 1, #lines
 		while i <= n do
 			local line = lines[i]
-			local fence, lang = fence_line:match(line)
+			local fence = fence_line:match(line)
 			local hashes, title = heading_line:match(line)
 			local mark = item_line:match(line)
 			if line:match("^%s*$") then
@@ -568,7 +562,6 @@ if has_lpeg then
 				end
 				blocks[#blocks + 1] = {
 					kind = "code",
-					lang = lang,
 					text = body,
 				}
 			elseif hashes then
@@ -1007,7 +1000,7 @@ if has_lpeg then
 		if not ok then
 			return render_plaintext(text)
 		end
-		html("<div class='markdown manpage'>")
+		html("<div class='markdown'>")
 		pcall(emit_blocks, blocks)
 		html("</div>")
 	end
-- 
cgit