From cf01a94556f19b31205611c7aa5f92ddf2381081 Mon Sep 17 00:00:00 2001
From: Dave Johnston <johnsto@gmail.com>
Date: Sat, 5 Apr 2014 20:45:57 +0100
Subject: [PATCH] Add Header IDs to default extensions

---
 markdown.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/markdown.go b/markdown.go
index 703bd88..63d8a40 100644
--- a/markdown.go
+++ b/markdown.go
@@ -227,6 +227,8 @@ func MarkdownBasic(input []byte) []byte {
 // * Strikethrough support
 //
 // * Strict header parsing
+//
+// * Custom Header IDs
 func MarkdownCommon(input []byte) []byte {
 	// set up the HTML renderer
 	htmlFlags := 0
@@ -245,6 +247,7 @@ func MarkdownCommon(input []byte) []byte {
 	extensions |= EXTENSION_AUTOLINK
 	extensions |= EXTENSION_STRIKETHROUGH
 	extensions |= EXTENSION_SPACE_HEADERS
+	extensions |= EXTENSION_HEADER_IDS
 
 	return Markdown(input, renderer, extensions)
 }