X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fusing.xml;h=2fe5959b594998abddee6758b0732e976912dbe6;hb=8fd85c9d692f91a5b565bb0d54050c2ce6ac6ae2;hp=f36154887781f310e10494ba4b3c017c020236bc;hpb=fa92f5d1bd8ac27780a3e7b1a2d536b7eb76235b;p=ghc-hetmet.git

diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index f361548..2fe5959 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -897,6 +897,16 @@ ghc -c Foo.hs</screen>
 	</listitem>
       </varlistentry>
 
+      <varlistentry>
+	<term><option>-Wwarn</option>:</term>
+	<listitem>
+	  <indexterm><primary><option>-Wwarn</option></primary></indexterm>
+	  <para>Warnings are treated only as warnings, not as errors. This is
+	    the default, but can be useful to negate a
+        <option>-Werror</option> flag.</para>
+	</listitem>
+      </varlistentry>
+
     </variablelist>
 
     <para>The full set of warning options is described below.  To turn