===================================================================
RCS file: /cvs/docbook2mdoc/README,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -p -r1.1 -r1.2
--- docbook2mdoc/README	2014/04/02 10:06:14	1.1
+++ docbook2mdoc/README	2019/03/08 10:13:12	1.2
@@ -1,11 +1,17 @@
-$Id: README,v 1.1 2014/04/02 10:06:14 kristaps Exp $
+$Id: README,v 1.2 2019/03/08 10:13:12 schwarze Exp $
 
 Here's a quick note on how to add new DocBook elements.
 
-First, look up the element in the DocBook reference.  For element <foo>, this is usually:
+First, look up the element in the DocBook reference.
+For element <foo>, this is usually:
 
-http://docbook.org/tdg51/en/html/foo.html
+ https://tdg.docbook.org/tdg/5.1/foo.html
 
+Some elements are no longer defined in DocBook 5.
+For these, you will have to look at 4.5 documentation instead:
+
+ https://tdg.docbook.org/tdg/4.5/foo.html
+
 Add the alpha-ordered node (NODE_FOO) to extern.h.
 
 Next, add rules.c isparent() rule.  This is the hard part.  First,
@@ -30,6 +36,6 @@ Now the hard work is finished!
 Next, add the name and whether it admits text to docbook2mdoc.c's
 "nodes" structure array.
 
-Finally, modify print_pnode() with your new entry.  Use similar nodes as
+Finally, modify pnode_print() with your new entry.  Use similar nodes as
 a reference.  (NOTE: if it's an inline like, say, NODE_EMPHASIS, then
 remember to add the node to the postfix switch statement!)