===================================================================
RCS file: /cvs/mandoc/TODO,v
retrieving revision 1.303
retrieving revision 1.308
diff -u -p -r1.303 -r1.308
--- mandoc/TODO	2020/06/22 18:00:30	1.303
+++ mandoc/TODO	2020/11/12 20:46:28	1.308
@@ -1,6 +1,6 @@
 ************************************************************************
 * Official mandoc TODO.
-* $Id: TODO,v 1.303 2020/06/22 18:00:30 schwarze Exp $
+* $Id: TODO,v 1.308 2020/11/12 20:46:28 schwarze Exp $
 ************************************************************************
 
 Many issues are annotated for difficulty as follows:
@@ -33,6 +33,21 @@ Obviously, as the issues have not been solved yet, the
 are mere guesses, and some may be wrong.
 
 ************************************************************************
+* assertion failures
+************************************************************************
+
+- .if n .ce in the middle of .TS data
+  afl case f1/id:000103,sig:06,src:009024+009105,op:splice,rep:2 (jes@)
+  While roff_parseln() prevents .ce and similar requests in the middle
+  of a tbl, the guard is no longer effective when the .ce is wrapped
+  in a roff block, for example a conditional.  The resulting assertion
+  has never been seen in any real-world manual page.
+  This is too dangerous to fix before release because it requires
+  reorganizing the very delicate internals of roff_parseln(),
+  which risks causing more severe bugs.
+  loc * exist *** algo *** size * imp *
+
+************************************************************************
 * missing features
 ************************************************************************
 
@@ -95,8 +110,17 @@ are mere guesses, and some may be wrong.
   need special handling because it is sometimes used for certain
   delimiters, so it may need handling *after* roff.c rather than before.
   reminded by John Gardner 16 Jun 2020 14:26:28 +1000
+  Actually, more ASCII control characters than just 0x07 may need
+  later handling because they can for example be used in macro names.
+  So they may need handling after roff(7) processing.
+  pointed out by John Gardner 23 Jun 2020 18:28:08 +1000
+  more info from John Gardner 29 Jun 2020 19:54:04 +1000
   loc **  exist **  algo **  size **  imp *
 
+- many missing features used in old groff_char(7),
+  some can possibly be supported
+  kamil at netbsd 12 Nov 2020 17:27:09 +0100 + reply
+
 --- missing mdoc features ----------------------------------------------
 
 - .Sh and .Ss should be parsed and partially callable, see groff_mdoc(7)
@@ -501,6 +525,10 @@ are mere guesses, and some may be wrong.
 ************************************************************************
 * warning issues
 ************************************************************************
+
+- shorten/simplify error messages for usage errors
+  To: deraadt@ 25 Oct 2020 23:37:01 +0100
+  loc **  exist *  algo *  size **  imp ***
 
 - warn about duplicate .Sh/.Ss heads
   gre(4): Rename duplicate sections 20 Apr 2018 15:27:33 +0200