X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=docs%2Fusers_guide%2Fusing.xml;h=502c856a09d2a7727e43ff1bfeb01c3080204365;hb=41c6c5d091021a859a7508b47e9fa8a19230b033;hp=a82cd526e5848e4ceb316464b6d6f9fcfb16bf07;hpb=a8e681c1e8aa4bc602714ff61583cd4e969d7187;p=ghc-hetmet.git

diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index a82cd52..502c856 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -839,7 +839,16 @@ ghc -c Foo.hs</screen>
 	<term><option>-Wall</option>:</term>
 	<listitem>
 	  <indexterm><primary><option>-Wall</option></primary></indexterm>
-	  <para>Turns on all warning options.</para>
+	  <para>Turns on all warning options that indicate potentially
+	  suspicious code.  The warnings that are
+	  <emphasis>not</emphasis> enabled by <option>-Wall</option>
+	  are:</para>
+          <itemizedlist>
+            <listitem><option>-fwarn-simple-patterns</option></listitem>
+            <listitem><option>-fwarn-tabs</option></listitem>
+            <listitem><option>-fwarn-incomplete-record-updates</option></listitem>
+            <listitem><option>-fwarn-monomorphism-restriction</option></listitem>
+          </itemizedlist>
 	</listitem>
       </varlistentry>
 
@@ -1006,7 +1015,8 @@ f foo = foo { x = 6 }
 
 	  <para>If you would like GHC to check that every top-level
           function/value has a type signature, use the
-          <option>-fwarn-missing-signatures</option> option.  This
+          <option>-fwarn-missing-signatures</option> option.  As part of
+	    the warning GHC also reports the inferred type.  The
           option is off by default.</para>
 	</listitem>
       </varlistentry>
@@ -1135,6 +1145,20 @@ f "2"    = 2
       </varlistentry>
 
       <varlistentry>
+	<term><option>-fwarn-monomorphism-restriction</option>:</term>
+	<listitem>
+	  <indexterm><primary><option>-fwarn-monomorphism-restriction</option></primary></indexterm>
+	  <indexterm><primary>monomorphism restriction, warning</primary></indexterm>
+	  <para>Have the compiler warn/inform you where in your source
+          the Haskell Monomorphism Restriction is applied.  If applied silently
+	  the MR can give rise to unexpected behaviour, so it can be helpful
+	  to have an explicit warning that it is being applied.</para>
+
+	  <para>This warning is off by default.</para>
+	</listitem>
+      </varlistentry>
+
+      <varlistentry>
 	<term><option>-fwarn-unused-binds</option>:</term>
 	<listitem>
 	  <indexterm><primary><option>-fwarn-unused-binds</option></primary></indexterm>