From e0b6a68f9af696e645cd99f5ef34e7209df9c4a2 Mon Sep 17 00:00:00 2001
From: Dave Rice <dave@dericed.com>
Date: Wed, 25 Jul 2018 11:37:24 -0400
Subject: [PATCH] add section nesting to mkv elements

---
 Makefile                                |  2 +-
 transforms/ebml_schema2markdown4rfc.xsl | 14 +++++++++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index dffb8919..c3c8f383 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ $(OUTPUT_TAGS).md: index_tags.md tagging.md matroska_tagging_registry.md tagging
 	cat $^ > $@
 
 %.xml: %.md
-	mmark -xml2 -page $< > $@
+	mmark -xml2 -page $< | awk '/<?rfc toc=/ && !modif { printf("<?rfc tocdepth=\"12\"?>\n"); modif=1 } {print}' > $@
 
 %.html: %.xml
 	xml2rfc --html $< -o $@
diff --git a/transforms/ebml_schema2markdown4rfc.xsl b/transforms/ebml_schema2markdown4rfc.xsl
index 8b5e105b..f590a679 100644
--- a/transforms/ebml_schema2markdown4rfc.xsl
+++ b/transforms/ebml_schema2markdown4rfc.xsl
@@ -1,13 +1,21 @@
 <?xml version="1.0"?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
-  <xsl:output encoding="UTF-8" method="text" version="1.0" indent="yes"/>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0" xmlns:str="http://exslt.org/strings">
+  <xsl:output encoding="UTF-8" method="text" version="1.0" indent="yes" />
   <xsl:variable name="smallcase" select="'abcdefghijklmnopqrstuvwxyz'" />
   <xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" />
   <xsl:template match="EBMLSchema">
     <xsl:apply-templates select="//element"/>
   </xsl:template>
   <xsl:template match="element">
-    <xsl:text>### </xsl:text>
+    <xsl:choose>
+      <xsl:when test="contains(@path,'\EBML\')">
+        <xsl:text>###</xsl:text>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="substring('############################',1,count(str:tokenize(@path,'\'))+1)"/>
+      </xsl:otherwise>
+    </xsl:choose>
+    <xsl:text> </xsl:text>
     <xsl:value-of select="@name"/>
     <xsl:text> Element&#xa;&#xa;</xsl:text>
     <xsl:if test="@name">