From b7b85536c20a4f57030a54f7ca44764e85082b35 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sat, 14 Feb 2015 15:51:36 -0800
Subject: Added comment on sourcepos attribute format in dtd.

Closes #298.
---
 CommonMark.dtd | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'CommonMark.dtd')

diff --git a/CommonMark.dtd b/CommonMark.dtd
index 27de97a..c006eee 100644
--- a/CommonMark.dtd
+++ b/CommonMark.dtd
@@ -67,6 +67,11 @@
           url CDATA #REQUIRED
           title CDATA #IMPLIED>
 
-<!-- all elements can have a sourcepos attribute -->
-
+<!-- All elements can have a sourcepos attribute.
+     The format is SL:SC-EL:EC
+     where SL = number of starting line (first line = 1)
+           EL = number of ending line
+           SC = number of starting column (first column = 1)
+           EC = number of ending column
+-->
 <!ATTLIST ANY sourcepos CDATA #IMPLIED>
-- 
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