X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fusing.xml;h=5e8be42a9d917f4cf3bba7e04cfdfc52b8ef839e;hb=5d536b42c88dbe9523c4b0c799a0e46c2d984aa6;hp=f36154887781f310e10494ba4b3c017c020236bc;hpb=fa92f5d1bd8ac27780a3e7b1a2d536b7eb76235b;p=ghc-hetmet.git

diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index f361548..5e8be42 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -342,6 +342,20 @@ module X where
       <varlistentry>
 	<term>
           <cmdsynopsis>
+            <command>ghc --show-iface <replaceable>file</replaceable></command>
+          </cmdsynopsis>
+          <indexterm><primary><option>&ndash;&ndash;--show-iface</option></primary></indexterm>
+        </term>
+	<listitem>
+	      <para>Read the interface in
+	      <replaceable>file</replaceable> and dump it as text to
+	      <literal>stdout</literal>. For example <literal>ghc --show-iface M.hi</literal>.</para>
+	</listitem>
+      </varlistentry>
+
+      <varlistentry>
+	<term>
+          <cmdsynopsis>
             <command>ghc --supported-languages</command>
           </cmdsynopsis>
           <indexterm><primary><option>&ndash;&ndash;supported-languages</option></primary></indexterm>
@@ -408,20 +422,6 @@ module X where
 	</listitem>
       </varlistentry>
 
-      <varlistentry>
-	<term>
-	  <cmdsynopsis>
-            <command>ghc --print-docdir</command>
-          </cmdsynopsis>
-          <indexterm><primary><option>&ndash;&ndash;print-docdir</option></primary></indexterm>
-        </term>
-	<listitem>
-	  <para>Print the path to GHC's documentation directory. Note that
-      some distributions do no include the documentation, in which case
-      this directory may be empty or may not exist.</para>
-	</listitem>
-      </varlistentry>
-
     </variablelist>
 
     <sect2 id="make-mode">
@@ -638,7 +638,7 @@ ghc -c Foo.hs</screen>
 	<title>Overriding the default behaviour for a file</title>
 
 	<para>As described above, the way in which a file is processed by GHC
-	  depends on its suffix.  This behaviour can be overriden using the
+	  depends on its suffix.  This behaviour can be overridden using the
 	  <option>-x</option> option:</para>
 
 	<variablelist>
@@ -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
@@ -1120,7 +1130,7 @@ f foo = foo { x = 6 }
 	  
 	  <para>This option causes a warning to be emitted whenever the 
 	    module contains an "orphan" instance declaration or rewrite rule.
-	    An instance declartion is an orphan if it appears in a module in
+	    An instance declaration is an orphan if it appears in a module in
 	    which neither the class nor the type being instanced are declared
 	    in the same module.  A rule is an orphan if it is a rule for a
 	    function declared in another module.  A module containing any
@@ -1712,7 +1722,7 @@ f "2"    = 2
       is also possible to obtain performance improvements with parallelism
       on programs that do not use concurrency.  This section describes how to
       use GHC to compile and run parallel programs, in <xref
-	linkend="lang-parallel" /> we desribe the language features that affect
+	linkend="lang-parallel" /> we describe the language features that affect
     parallelism.</para>
     
     <sect2 id="parallel-options">