===================================================================
RCS file: /cvs/mandoc/TODO,v
retrieving revision 1.248
retrieving revision 1.250
diff -u -p -r1.248 -r1.250
--- mandoc/TODO	2017/10/28 16:20:24	1.248
+++ mandoc/TODO	2018/04/10 00:52:30	1.250
@@ -1,6 +1,6 @@
 ************************************************************************
 * Official mandoc TODO.
-* $Id: TODO,v 1.248 2017/10/28 16:20:24 schwarze Exp $
+* $Id: TODO,v 1.250 2018/04/10 00:52:30 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
@@ -86,10 +78,6 @@ are mere guesses, and some may be wrong.
   on the roff_res() level, it is hard to solve without the parser reorg.
   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 ----------------------------------------------