[m-rev.] diff: Update status of Erlang backend.

[Peter Wang]

diff --git a/README.Erlang b/README.Erlang
index 3e2e96b..591f17d 100644
--- a/README.Erlang
+++ b/README.Erlang
@@ -7,9 +7,17 @@ compiler will generate Erlang source code that can be compiled into
 bytecode or native code suitable for running in the Erlang runtime
 system.
 
-The port is incomplete.  Large parts of the Mercury standard library
-are not yet implemented.  Some RTTI related features are incompletely
-or incorrectly implemented.
+WARNING
+
+The Erlang backend is incomplete, and will not see any more work in
+the future.
+
+Large parts of the Mercury standard library are not yet implemented.
+Some RTTI related features are incompletely or incorrectly implemented.
+Binary stream I/O and Unicode support are known to be broken after
+changes in Erlang/OTP since the original port.
+
+-----------------------------------------------------------------------------
 
 PREREQUISITES
 
@@ -27,10 +35,6 @@ In order to try this system you will need
           packaged for those systems also need have the erlang-dev
           package installed.
 
-WARNING
-
-Please note that the Erlang backend is still an experimental feature.
-
 -----------------------------------------------------------------------------
 
 INSTALLATION
-- 
2.9.0