Document -ddump-rule-firings and -ddump-rule-rewrites

docs/users_guide/debugging.xml

@@ -126,6 +126,28 @@
 	      </listitem>
 	    </varlistentry>
 
+	    <varlistentry>
+	      <term>
+	        <option>-ddump-rule-firings</option>:
+                <indexterm><primary><option>-ddump-rule-firings</option></primary></indexterm>
+	      </term>
+	      <listitem>
+		<para>dumps the names of all rules that fired in this module</para>
+	      </listitem>
+	    </varlistentry>
+
+	    <varlistentry>
+	      <term>
+	        <option>-ddump-rule-rewrites</option>:
+                <indexterm><primary><option>-ddump-rule-rewrites</option></primary></indexterm>
+	      </term>
+	      <listitem>
+		<para>dumps detailed information about all rules that fired in
+		      this module
+		</para>
+	      </listitem>
+	    </varlistentry>
+
 	    <varlistentry>
 	      <term>
 	        <option>-ddump-simpl</option>:

docs/users_guide/flags.xml

@@ -2325,6 +2325,18 @@ phase <replaceable>n</replaceable></entry>
 	      <entry>dynamic</entry>
 	      <entry>-</entry>
 	    </row>
+	    <row>
+	      <entry><option>-ddump-rule-firings</option></entry>
+	      <entry>Dump rule firing info</entry>
+	      <entry>dynamic</entry>
+	      <entry>-</entry>
+	    </row>
+	    <row>
+	      <entry><option>-ddump-rule-rewrites</option></entry>
+	      <entry>Dump detailed rule firing info</entry>
+	      <entry>dynamic</entry>
+	      <entry>-</entry>
+	    </row>
 	    <row>
 	      <entry><option>-ddump-rules</option></entry>
 	      <entry>Dump rules</entry>

docs/users_guide/glasgow_exts.xml

@@ -8242,7 +8242,7 @@ Here is an example:
 <para>
 Use the debug flag <option>-ddump-simpl-stats</option> to see what rules fired.
 If you need more information, then <option>-ddump-rule-firings</option> shows you
-each individual rule firing in detail.
+each individual rule firing and <option>-ddump-rule-rewrites</option> also shows what the code looks like before and after the rewrite.
 </para>
 
 <sect2>
@@ -8827,7 +8827,8 @@ If you add <option>-dppr-debug</option> you get a more detailed listing.
 
 <listitem>
 <para>
- Use <option>-ddump-rule-firings</option> to see in great detail what rules are being fired.
+ Use <option>-ddump-rule-firings</option> or <option>-ddump-rule-rewrites</option>
+to see in great detail what rules are being fired.
 If you add <option>-dppr-debug</option> you get a still more detailed listing.
 </para>
 </listitem>