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-rw-r--r--docs/users_guide/using.xml12
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index c24a20c3c9..7a1391ce85 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -343,6 +343,18 @@ module X where
<varlistentry>
<term>
<cmdsynopsis>
+ <command>ghc --supported-languages</command>
+ </cmdsynopsis>
+ <indexterm><primary><option>&ndash;&ndash;supported-languages</option></primary></indexterm>
+ </term>
+ <listitem>
+ <para>Print the supported language extensions.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <cmdsynopsis>
<command>ghc --version</command>
<command>ghc -V</command>
</cmdsynopsis>