Bash-4.2 patch 29

doc/bash.1

@@ -8948,6 +8948,16 @@ parameter expansion as a special character.  The single quotes must match
 quoted.  This is the behavior of posix mode through version 4.1.
 The default bash behavior remains as in previous versions.
 .TP 8
+.B direxpand
+If set,
+.B bash
+replaces directory names with the results of word expansion when performing
+filename completion.  This changes the contents of the readline editing
+buffer.
+If not set,
+.B bash
+attempts to preserve what the user typed.
+.TP 8
 .B dirspell
 If set,
 .B bash