update submodules for GHC.HetMet.GArrow -> Control.GArrow renaming

[ghc-hetmet.git] / docs / users_guide / 6.12.1-notes.xml

diff --git a/docs/users_guide/6.12.1-notes.xml b/docs/users_guide/6.12.1-notes.xml
index 5ab4996..9e0ecbf 100644 (file)
--- a/docs/users_guide/6.12.1-notes.xml
+++ b/docs/users_guide/6.12.1-notes.xml
@@ -215,16 +215,7 @@ data instance T [a] where
           block, but its result is not bound.
           The flags <literal>-fwarn-unused-do-bind</literal>
           and <literal>-fwarn-wrong-do-bind</literal> control
-          these warnings.
-        </para>
-      </listitem>
-
-      <listitem>
-        <para>
-          There is a new warning if a monadic result of type other than
-          <literal>m ()</literal> is not bound.
-          The flag <literal>-fwarn-unused-do-bind</literal> controls
-          this warning.
+          these warnings (see <xref linkend="options-sanity" />).
         </para>
       </listitem>
 
@@ -521,12 +512,6 @@ Loaded: Prelude
                 Support PageUp and PageDown keys.
               </para>
             </listitem>
-
-            <listitem>
-              <para>
-                Let ctrl-L (clear-screen) work during getInputChar.
-              </para>
-            </listitem>
           </itemizedlist>
       </listitem>
     </itemizedlist>
@@ -627,20 +612,20 @@ ghc --abi-hash M1 M2 ...
         </para>
       </listitem>
 
-      <listierm>
+      <listitem>
         <para>
           There is a new command <literal>ghc-pkg init</literal> to
           create a package database.
         </para>
-      </listierm>
+      </listitem>
 
-      <listierm>
+      <listitem>
         <para>
           There is a new command <literal>ghc-pkg dot</literal> to
           generate a GraphViz graph of the dependencies between
           installed packages.
         </para>
-      </listierm>
+      </listitem>
 
       <listitem>
         <para>
@@ -707,6 +692,19 @@ ghc --abi-hash M1 M2 ...
 
         <listitem>
           <para>
+            Lazy I/O now throws an exception if an error is
+            encountered, in a divergence from the Haskell 98 spec which
+            requires that errors are discarded (see Section 21.2.2 of
+            the Haskell 98 report).  The exception thrown is the usual
+            IO exception that would be thrown if the failing IO
+            operation was performed in the IO monad, and can be caught
+            by <literal>System.IO.Error.catch</literal>
+            or <literal>Control.Exception.catch</literal>.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
             It is now possible to create your own handles.
             For more information, see the
             <literal>GHC.IO.Handle</literal> haddock docs.