From 8e5ffff1d6ed3d99361ffcfdccc1cd21f5d6d813 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Fri, 1 Sep 2023 17:15:18 +0200
Subject: [PATCH] bugfix: do not consume multiple paragraphs in list start

---
 markdown.awk | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/markdown.awk b/markdown.awk
index 1e3c6e0..92b32fc 100755
--- a/markdown.awk
+++ b/markdown.awk
@@ -741,15 +741,16 @@ function _block( block, LOCAL, st, len, text, title, attrib, href, guard, code,
 
 function _startlist(block, type, mark, exclude, LOCAL, st, len, list, indent, text) {
   if (match( block, "(^|\n) ? ? ?" mark "[ \t][^\n]+(\n|$)" \
-         "(([ \t]*\n)* ? ? ?" mark "[ \t][^\n]+(\n|$)" \
-         "|([ \t]*\n)*( ? ? ?\t|  +)[^\n]+(\n|$)" \
-         "|[^\n \t][^\n]+(\n|$))*" ) ) {
-    st = RSTART; len = RLENGTH; list = substr( block, RSTART, RLENGTH);
+                                   "(([ \t]*\n)* ? ? ?" mark "[ \t][^\n]+(\n|$)" \
+                                   "|([ \t]*\n)*( ? ? ?\t|  +)[^\n]+(\n|$)" \
+                                   "|[^\n \t][^\n]+(\n|$))*" ) ) {
+    st = RSTART; len = RLENGTH; list = substr( block, st, len);
 
     sub("^\n", "", list); match(list, "^ ? ? ?"); indent = RLENGTH;
     gsub( "(^|\n) {0," indent "}", "\n", list); sub("^\n", "", list);
 
     text = substr(block, 1, st - 1); block = substr(block, st + len);
+    if (match(text, /\n[[:space:]]*\n/)) return 0;
     if (match( list, "\n" exclude "[ \t]" )) {
       block = substr(list, RSTART + 1) block;
       list = substr(list, 1, RSTART);
-- 
2.39.2