X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fdebugging.xml;fp=docs%2Fusers_guide%2Fdebugging.xml;h=e00cd8fa4e028e5bd24860cabbd764a5205fe2e3;hb=667ef993b225a3a7d1163612f5ded7e5b69b4ad3;hp=638ab7a4b50d732352fa82a0db4caefe7100a8d1;hpb=b1455fa5f2ab61ff727f86094dbd4839717eb24e;p=ghc-hetmet.git

diff --git a/docs/users_guide/debugging.xml b/docs/users_guide/debugging.xml
index 638ab7a..e00cd8f 100644
--- a/docs/users_guide/debugging.xml
+++ b/docs/users_guide/debugging.xml
@@ -435,14 +435,18 @@
       </varlistentry>
 
       <varlistentry>
-	<term>
-          <option>-dshow-unused-imports</option>
-          <indexterm><primary><option>-dshow-unused-imports</option></primary></indexterm>
+        <term>
+          <option>-dno-debug-output</option>
+          <indexterm><primary><option>-dno-debug-output</option></primary></indexterm>
         </term>
-	<listitem>
-	  <para>Have the renamer report what imports does not
-	contribute.</para>
-	</listitem>
+        <listitem>
+          <para>Suppress any unsolicited debugging output.  When GHC
+            has been built with the <literal>DEBUG</literal> option it
+            occasionally emits debug output of interest to developers.
+            The extra output can confuse the testing framework and
+            cause bogus test failures, so this flag is provided to
+            turn it off.</para>
+        </listitem>
       </varlistentry>
     </variablelist>
   </sect2>