===================================================================
RCS file: /cvs/mandoc/TODO,v
retrieving revision 1.246
retrieving revision 1.251
diff -u -p -r1.246 -r1.251
--- mandoc/TODO	2017/07/24 11:15:12	1.246
+++ mandoc/TODO	2018/04/20 14:02:32	1.251
@@ -1,6 +1,6 @@
 ************************************************************************
 * Official mandoc TODO.
-* $Id: TODO,v 1.246 2017/07/24 11:15:12 schwarze Exp $
+* $Id: TODO,v 1.251 2018/04/20 14:02:32 schwarze Exp $
 ************************************************************************
 
 Many issues are annotated for difficulty as follows:
@@ -52,10 +52,6 @@ are mere guesses, and some may be wrong.
   found by naddy@ in xloadimage(1)
   loc **  exist ***  algo *  size *  imp *
 
-- .nr third argument (auto-increment step size, requires \n+)
-  found by bentley@ in sbcl(1)  Mon, 9 Dec 2013 18:36:57 -0700
-  loc *  exist *  algo *  size *  imp **
-
 - .ns (no-space mode) occurs in xine-config(1)
   when implementing this, also let .TH set it
   reported by brad@  Sat, 15 Jan 2011 15:45:23 -0500
@@ -65,10 +61,6 @@ are mere guesses, and some may be wrong.
   found by jca@ in ratpoison(1)  Sun, 30 Jun 2013 12:01:09 +0200
   loc *  exist **  algo **  size **  imp **
 
-- \n+ and \n- numerical register increment and decrement
-  found by bentley@ in sbcl(1)  Mon, 9 Dec 2013 18:36:57 -0700
-  loc *  exist *  algo *  size *  imp **
-
 - \w'' improve width measurements
   would not be very useful without an expression parser, see below
   needed for Tcl_NewStringObj(3) via wiz@  Wed, 5 Mar 2014 22:27:43 +0100
@@ -87,10 +79,6 @@ are mere guesses, and some may be wrong.
   Found by naddy@ in devel/cutils cobfusc(1)  Mon, 16 Feb 2015 19:10:52 +0100
   loc ***  exist ***  algo ***  size **  imp *
 
-- using undefined strings or macros defines them to be empty
-  wl@  Mon, 14 Nov 2011 14:37:01 +0000
-  loc *  exist *  algo *  size *  imp *
-
 --- missing mdoc features ----------------------------------------------
 
 - .Bl -column .Xo support is missing
@@ -375,6 +363,16 @@ are mere guesses, and some may be wrong.
 
 --- HTML issues --------------------------------------------------------
 
+- duplicate names generate duplicate href="#..." anchor attributes
+  possibly use "#..._<N>" suffixes?
+  Jakub Klinkovsky <j dot l dot k at gmx dot com> 3 Oct 2017 21:23:36 +0200
+  see also the thread: gre(4): Rename duplicate sections
+  up to 20 Apr 2018 15:27:33 +0200
+
+- format ".IP *" etc. as <ul> rather than <dl>
+  https://github.com/Debian/debiman/issues/67
+  loc ** exist ** algo ** size * imp ***
+
 - .Bf at the beginning of a paragraph inserts a bogus 1ex horizontal
   space, see for example random(3).  Introduced in
   http://mdocml.bsd.lv/cgi-bin/cvsweb/mdoc_html.c.diff?r1=1.91&r2=1.92
@@ -470,6 +468,9 @@ are mere guesses, and some may be wrong.
 ************************************************************************
 * warning issues
 ************************************************************************
+
+- warn about duplicate .Sh/.Ss heads
+  gre(4): Rename duplicate sections 20 Apr 2018 15:27:33 +0200
 
 - style message about macros inside .Bd -literal and .Dl, in particular
   font changing macros like .Cm, .Ar, .Fa (from the mdoclint TODO)