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-rw-r--r--docs/users_guide/8.4.1-notes.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/users_guide/8.4.1-notes.rst b/docs/users_guide/8.4.1-notes.rst
index 103559cedd..1acab73693 100644
--- a/docs/users_guide/8.4.1-notes.rst
+++ b/docs/users_guide/8.4.1-notes.rst
@@ -108,6 +108,9 @@ Language
Compiler
~~~~~~~~
+- Add warning flag :ghc-flag:`-Wmissing-export-lists` which causes the type
+ checker to warn when a module does not include an explicit export list.
+
- The ``configure`` script now no longer accepts ``--with-TOOL`` flags (e.g.
``--with-nm``, ``--with-ld``, etc.). Instead, these are taken from environment
variables, as is typical in ``autoconf`` scripts. For instance,