X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=utils%2Fext-core%2FREADME;h=84f213d7953334456d8a540cca11284f2a108d0a;hb=8e3f4465c2a85e6328df52939c9e2429dc63aaca;hp=bb5f3aade52e3cefb175b6ff4b97d6aa5b6492d0;hpb=8bfeb25ae78e99c7014113468b0057342db4208f;p=ghc-hetmet.git

diff --git a/utils/ext-core/README b/utils/ext-core/README
index bb5f3aa..84f213d 100644
--- a/utils/ext-core/README
+++ b/utils/ext-core/README
@@ -4,6 +4,12 @@ In particular, typechecker and interpreter give a precise semantics.
 ---------------------
 tjc April/May 2008:
 
+==== Documentation ====
+
+Documentation for the External Core format lives under docs/ext-core in the
+GHC tree. If you are building from HEAD, do not rely on the version of the
+External Core documentation that lives in haskell.org -- it is obsolete!
+
 ==== Notes ====
 
 The checker should work on most programs. Bugs (and infelicities)