===================================================================
RCS file: /cvs/mandoc/TODO,v
retrieving revision 1.260
retrieving revision 1.261
diff -u -p -r1.260 -r1.261
--- mandoc/TODO	2018/08/10 20:40:45	1.260
+++ mandoc/TODO	2018/08/10 22:12:44	1.261
@@ -1,6 +1,6 @@
 ************************************************************************
 * Official mandoc TODO.
-* $Id: TODO,v 1.260 2018/08/10 20:40:45 schwarze Exp $
+* $Id: TODO,v 1.261 2018/08/10 22:12:44 schwarze Exp $
 ************************************************************************
 
 Many issues are annotated for difficulty as follows:
@@ -40,9 +40,10 @@ are mere guesses, and some may be wrong.
 
 - \*(.T prints the device being used,
   see groff_char(7) for an example
-
-- \[charNN], \[charNNN] prints a single-byte codepoint
-  see groff_char(7) for examples
+  This is slightly hard because -Tlocale only decides to use ascii or
+  utf8 when initializing the formatter, so the information is not
+  yet available to the preprocessor at the parsing stage.
+  loc **  exist **  algo *  size *  imp *
 
 - .ad (adjust margins)
   .ad l -- adjust left margin only (flush left)