From: simonmar <unknown>
Date: Mon, 6 Jan 2003 14:15:38 +0000 (+0000)
Subject: [project @ 2003-01-06 14:15:38 by simonmar]
X-Git-Tag: Approx_11550_changesets_converted~1306
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=9490f5ceb4cdb840eb94bdfc53fe593e130a42c3;p=ghc-hetmet.git

[project @ 2003-01-06 14:15:38 by simonmar]
Add a handy hint for finding the correct fully-qualified original
names for entities in .hi-boot files.
---

diff --git a/ghc/docs/users_guide/separate_compilation.sgml b/ghc/docs/users_guide/separate_compilation.sgml
index 51cad70..1678413 100644
--- a/ghc/docs/users_guide/separate_compilation.sgml
+++ b/ghc/docs/users_guide/separate_compilation.sgml
@@ -618,7 +618,15 @@ newtype TA = MkTA GHC.Base.Int
 	  particular, most <literal>Prelude</literal> entities aren't
 	  actually defined in the <literal>Prelude</literal> (see for
 	  example <literal>GHC.Base.Int</literal> in the above
-	  example).</para>
+	  example).  HINT: to find out the fully-qualified name for
+	  entities in the <literal>Prelude</literal> (or anywhere for
+	  that matter), try using GHCi's
+	  <literal>:info</literal> command, eg.</para>
+<programlisting>Prelude> :m -Prelude
+> :i IO.IO
+-- GHC.IOBase.IO is a type constructor
+newtype GHC.IOBase.IO a
+...</programlisting>
 	</listitem>
 	<listitem>
 	  <para>Only <literal>data</literal>, <literal>type</literal>,