docbook2mdoc: update links to the DocBook website and fix a typo in a

[schwarze@mandoc.bsd.lv]

Log Message:
-----------
update links to the DocBook website and fix a typo in a function name

Modified Files:
--------------
    docbook2mdoc:
        README

Revision Data
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Index: README
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/README,v
retrieving revision 1.1
retrieving revision 1.2
diff -LREADME -LREADME -u -p -r1.1 -r1.2
--- README
+++ README
@@ -2,9 +2,15 @@ $Id$
 
 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.
 
@@ -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!)
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