From 516bc32df2437bc45005b1ea1a5d452503bd1669 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Sun, 2 Jul 2023 12:54:52 +0200
Subject: [PATCH] nesting of <section> in block elements

---
 markdown.awk | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/markdown.awk b/markdown.awk
index a2bb989..71c91fd 100755
--- a/markdown.awk
+++ b/markdown.awk
@@ -308,31 +308,32 @@ function inline( line, LOCAL, len, code, href, guard ) {
 }
 
 function headline( hlvl, htxt, LOCAL, sec, n, HL) {
-  split( gensub( /^(.* )?(([0-9]+ ){5}[0-9]+)$/, "\\2" ,"1", hstack),  HL);
+  split( gensub( /^(.* )?([0-9]+( [0-9]+){5})$/, "\\2" ,"1", hstack),  HL);
 
   for ( n = hlvl; n <= 6; n++ ) { sec = sec (HL[n]?"</section>":""); }
   HL[hlvl]++; for ( n = hlvl + 1; n <= 6; n++) { HL[n] = 0;}
   hid = HL[1]; for ( n = 2; n <= hlvl; n++) { hid = hid "." HL[n] ; }
   # hid = hid ":" URL(htxt, 1);
 
-  hstack = HL[1] " " HL[2] " " HL[3] " " HL[4] " " HL[5] " " HL[6];
+  hstack = gensub( /^(.* )?([0-9]+( [0-9]+){5})$/, "\\1" ,"1", hstack) \
+           HL[1] " " HL[2] " " HL[3] " " HL[4] " " HL[5] " " HL[6];
 
-  return sec "<section class=\"h1\"" ((blvl > 10)?"":" id=\"" hid "\"") ">" \
-         "<h1>" inline( htxt ) \
-         ((blvl > 0)?"":"<a class=\"anchor\" href=\"#" hid "\"></a>") \
-         "</h1>\n\n";
+  return sec "<section class=\"h" hlvl "\" id=\"" hid "\">" \
+         "<h" hlvl ">" inline( htxt ) \
+         "<a class=\"anchor\" href=\"#" hid "\"></a>" \
+         "</h" hlvl ">\n\n";
 }
 
 # Nested Block, resets heading counters
 function _nblock( block, LOCAL, hlsav, sec ) {
   hlsav = hstack;
-  hstack = "0 0 0 0 0 0";
+  hstack = hstack " 0 0 0 0 0 0";
 
   # Block Level
   blvl++;
 
   block = _block( block );
-  split( gensub( /^(.* )?(([0-9]+ ){5}[0-9]+)$/, "\2" ,"1", hstack),  HL);
+  split( gensub( /^(.* )?([0-9]+( [0-9]+){5})$/, "\\2" ,"1", hstack),  HL);
   sec = ""; for ( n = 1; n <= 6; n++ ) { sec = sec (HL[n]?"</section>":""); }
   hstack = hlsav; blvl--;
   return block sec;
-- 
2.39.2