diff -pruN2d mutt-1.3.27.orig/doc/manual.sgml.head mutt-1.3.27/doc/manual.sgml.head
--- mutt-1.3.27.orig/doc/manual.sgml.head	Sat Jan 12 12:35:43 2002
+++ mutt-1.3.27/doc/manual.sgml.head	Wed Jan 23 23:57:34 2002
@@ -1720,4 +1720,5 @@ messages:
 ~z [MIN]-[MAX]  messages with a size in the range MIN to MAX *)
 ~=		duplicated messages (see $duplicate_threads)
+~#		broken threads (see $strict_threads)
 </verb></tscreen>
 
diff -pruN2d mutt-1.3.27.orig/mutt.h mutt-1.3.27/mutt.h
--- mutt-1.3.27.orig/mutt.h	Tue Jan 15 22:00:32 2002
+++ mutt-1.3.27/mutt.h	Wed Jan 23 23:57:34 2002
@@ -196,4 +196,5 @@ enum
   M_OR,
   M_TO,
+  M_BROKEN,
   M_CC,
   M_COLLAPSED,
diff -pruN2d mutt-1.3.27.orig/pattern.c mutt-1.3.27/pattern.c
--- mutt-1.3.27.orig/pattern.c	Sun Jan 13 01:23:56 2002
+++ mutt-1.3.27/pattern.c	Wed Jan 23 23:57:34 2002
@@ -92,4 +92,5 @@ Flags[] =
   { 'z', M_SIZE,		0,		eat_range },
   { '=', M_DUPLICATED,		0,		NULL },
+  { '#', M_BROKEN,		0,		NULL },
   { 0 }
 };
@@ -1054,4 +1055,6 @@ mutt_pattern_exec (struct pattern_t *pat
     case M_DUPLICATED:
       return (pat->not ^ (h->thread && h->thread->duplicate_thread));
+    case M_BROKEN:
+      return (pat->not ^ (h->thread && h->thread->fake_thread));
   }
   mutt_error (_("error: unknown op %d (report this error)."), pat->op);
diff -pruN mutt-1.3.27.orig/PATCHES mutt-1.3.27/PATCHES
--- mutt-1.3.27.orig/PATCHES    Mon Nov 26 20:16:52 2001
+++ mutt-1.3.27/PATCHES Thu Dec  6 16:27:55 2001
@@ -1,0 +1 @@
+patch-1.3.27.cd.pattern_broken.1