===================================================================
RCS file: /cvs/mandoc/TODO,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -p -r1.10 -r1.11
--- mandoc/TODO	2010/05/30 22:56:02	1.10
+++ mandoc/TODO	2010/05/31 15:42:09	1.11
@@ -54,6 +54,9 @@
   .Bl -column
   .It foo Ta bar
   .El
+
+- explicitly disallow nested `Bl -column', which would clobber internal
+  flags defined for struct mdoc_macro
   
 ************************************************************************
 * formatting issues: ugly output