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-rw-r--r--docs/users_guide/flags.xml9
1 files changed, 8 insertions, 1 deletions
diff --git a/docs/users_guide/flags.xml b/docs/users_guide/flags.xml
index 48cf03ae73..8e185701c3 100644
--- a/docs/users_guide/flags.xml
+++ b/docs/users_guide/flags.xml
@@ -733,7 +733,7 @@
</row>
<row>
<entry><option>-Wall</option></entry>
- <entry>enable all warnings</entry>
+ <entry>enable almost all warnings (details in <xref linkend="options-sanity"/>)</entry>
<entry>dynamic</entry>
<entry><option>-w</option></entry>
</row>
@@ -766,6 +766,13 @@
<entry><option>-fno-warn-hi-shadowing</option></entry>
</row>
+ <row>
+ <entry><option>-fwarn-implicit-prelude</option></entry>
+ <entry>warn when the Prelude is implicitly imported</entry>
+ <entry>dynamic</entry>
+ <entry><option>-fno-warn-implicit-prelude</option></entry>
+ </row>
+
<row>
<entry><option>-fwarn-incomplete-patterns</option></entry>
<entry>warn when a pattern match could fail</entry>