Suggest running conformance tests prior to sending a patch.
diff --git a/documentation/patches.sgml b/documentation/patches.sgml
index cfb8d61..482adaf 100644
--- a/documentation/patches.sgml
+++ b/documentation/patches.sgml
@@ -201,7 +201,13 @@
<para>
Save yourself some embarrassment and run your patched code
against more than just your current test example. Experience
- will tell you how much effort to apply here.
+ will tell you how much effort to apply here. If there are
+ any conformance tests for the code you're working on, run them
+ and make sure they still pass after your patch is applied. Running
+ tests can be done by running <command>make test</command>. You may
+ need to run <command>make testclean</command> to undo the results
+ of a previous test run. See the <quote>testing</quote> guide for
+ more details on Wine's conformance tests.
</para>
</sect1>