===================================================================
RCS file: /cvs/mandoc/TODO,v
retrieving revision 1.164
retrieving revision 1.169
diff -u -p -r1.164 -r1.169
--- mandoc/TODO	2014/02/14 23:05:20	1.164
+++ mandoc/TODO	2014/04/23 16:08:33	1.169
@@ -1,13 +1,15 @@
 ************************************************************************
 * Official mandoc TODO.
-* $Id: TODO,v 1.164 2014/02/14 23:05:20 schwarze Exp $
+* $Id: TODO,v 1.169 2014/04/23 16:08:33 schwarze Exp $
 ************************************************************************
 
 ************************************************************************
 * crashes
 ************************************************************************
 
-None known.
+- The abort() in bufcat(), html.c, can be triggered via buffmt_includes()
+  by running -Thtml -Oincludes on a file containing a long .In argument.
+  Fixing this will probably require reworking the whole bufcat() concept.
 
 ************************************************************************
 * missing features
@@ -24,17 +26,9 @@ None known.
   .ad   -- re-enable adjustment without changing the mode
   Adjustment mode is ignored while in no-fill mode (.nf).
 
-- .ce (center N lines)
-  found by naddy@ in xloadimage(1)
-  found by Juan Francisco Cantero Hurtado <iam at juanfra dot info>
-           in lang/racket(1)  Thu, 20 Jun 2013 03:19:11 +0200
-
 - .fc (field control)
   found by naddy@ in xloadimage(1)
   
-- .ll (line length)
-  found by naddy@ in textproc/enchant(1)  Sat, 12 Oct 2013 03:27:10 +0200
-
 - .nr third argument (auto-increment step size, requires \n+)
   found by bentley@ in sbcl(1)  Mon, 9 Dec 2013 18:36:57 -0700
 
@@ -43,6 +37,7 @@ None known.
 
 - .ta (tab settings) occurs in ircbug(1) and probably gnats(1)
   reported by brad@  Sat, 15 Jan 2011 15:50:51 -0500
+  also Tcl_NewStringObj(3) via wiz@  Wed, 5 Mar 2014 22:27:43 +0100
 
 - .ti (temporary indent)
   found by naddy@ in xloadimage(1)
@@ -62,9 +57,18 @@ None known.
 - \n+ and \n- numerical register increment and decrement
   found by bentley@ in sbcl(1)  Mon, 9 Dec 2013 18:36:57 -0700
 
+- \w'' 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
+
 - using undefined strings or macros defines them to be empty
   wl@  Mon, 14 Nov 2011 14:37:01 +0000
 
+- general expression parser, including arithmetics
+  to be used at least for .if/.ie and .nr and maybe at other places
+  could use J.T.Conklin's PD code in bin/expr/expr.c for inspiration
+  needed for Tcl_NewStringObj(3) via wiz@  Wed, 5 Mar 2014 22:27:43 +0100
+
 --- missing mdoc features ----------------------------------------------
 
 - fix bad block nesting involving multiple identical explicit blocks
@@ -135,11 +139,6 @@ None known.
 
 --- missing man features -----------------------------------------------
 
-- groff an-ext.tmac macros (.UR, .UE) occur in xine(5)
-  reported by brad@  Sat, 15 Jan 2011 15:45:23 -0500
-  also occur in freeciv-client(6) freeciv-server(6) freeciv-modpack(6)
-  reported by bentley@  Tue, 30 Oct 2012 01:05:57 -0600
-
 - -T[x]html doesn't stipulate non-collapsing spaces in literal mode
 
 --- missing tbl features -----------------------------------------------
@@ -289,6 +288,17 @@ None known.
     \fBdig \fR
     operate in batch mode
   in dig(1).
+
+************************************************************************
+* warning issues
+************************************************************************
+
+- check that MANDOCERR_BADTAB is thrown in the right cases,
+  i.e. when finding a literal tab character in fill mode,
+  and possibly change the wording of the warning message
+  to refer to fill mode, not literal mode
+  See the mail from Werner LEMBERG on the groff list,
+  Fri, 14 Feb 2014 18:54:42 +0100 (CET)
 
 ************************************************************************
 * performance issues