block level prefix to avoid repeating headline IDs

diff --git a/markdown.awk b/markdown.awk
index 71c91fd47a825a984d6bad0026abe01962bb5a5c..16acc25d4b8548d2fa01c0bdfc74cde6a7d00f29 100755 (executable)
--- a/markdown.awk
+++ b/markdown.awk
@@ -312,7 +312,8 @@ function headline( hlvl, htxt, LOCAL, sec, n, 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 = ""; for ( n = 2; n <= blvl; n++) { hid = hid BL[n] "/"; }
+  hid = hid HL[1]; for ( n = 2; n <= hlvl; n++) { hid = hid "." HL[n] ; }
   # hid = hid ":" URL(htxt, 1);
 
   hstack = gensub( /^(.* )?([0-9]+( [0-9]+){5})$/, "\\1" ,"1", hstack) \
@@ -325,12 +326,13 @@ function headline( hlvl, htxt, LOCAL, sec, n, HL) {
 }
 
 # Nested Block, resets heading counters
-function _nblock( block, LOCAL, hlsav, sec ) {
+function _nblock( block, LOCAL, hlsav, sec, n ) {
   hlsav = hstack;
   hstack = hstack " 0 0 0 0 0 0";
 
   # Block Level
-  blvl++;
+  blvl++; BL[blvl]++;
+  for ( n = blvl + 1; n in BL; n++) { delete BL[n]; }
 
   block = _block( block );
   split( gensub( /^(.* )?([0-9]+( [0-9]+){5})$/, "\\2" ,"1", hstack),  HL);