Document -fomit-interface-pragmas, -fignore-interface-pragmas

[ghc-hetmet.git] / docs / users_guide / ghci.xml

diff --git a/docs/users_guide/ghci.xml b/docs/users_guide/ghci.xml
index d8d0a89..b27781c 100644 (file)
--- a/docs/users_guide/ghci.xml
+++ b/docs/users_guide/ghci.xml
@@ -577,7 +577,9 @@ hello
 Prelude IO>
 </screen>
 
-      <para>(Note: <literal>:module</literal> can be shortened to
+      <para>(Note: you can use <literal>import M</literal> as an
+      alternative to <literal>:module +M</literal>, and
+      <literal>:module</literal> can also be shortened to 
       <literal>:m</literal>). The full syntax of the
       <literal>:module</literal> command is:</para>
 
@@ -1373,7 +1375,9 @@ a :: a
         have no context information attached to them.  Finding which
         particular call to <literal>head</literal> in your program resulted in
         the error can be a painstaking process, usually involving
-        <literal>Debug.Trace.trace</literal>.</para>
+        <literal>Debug.Trace.trace</literal>, or compiling with
+        profiling and using <literal>+RTS -xc</literal> (see <xref
+          linkend="prof-time-options" />).</para>
 
       <para>The GHCi debugger offers a way to hopefully shed some light on
         these errors quickly and without modifying or recompiling the source
@@ -2064,9 +2068,15 @@ Prelude> :main foo bar
           <literal>:module <optional>+|-</optional> <optional>*</optional><replaceable>mod<subscript>1</subscript></replaceable> ... <optional>*</optional><replaceable>mod<subscript>n</subscript></replaceable></literal>
           <indexterm><primary><literal>:module</literal></primary></indexterm>
         </term>
+        <term>
+          <literal>import <replaceable>mod</replaceable></literal>
+        </term>
        <listitem>
          <para>Sets or modifies the current context for statements
-         typed at the prompt.  See <xref linkend="ghci-scope"/> for
+         typed at the prompt.  The form <literal>import
+         <replaceable>mod</replaceable></literal> is equivalent to
+         <literal>:module +<replaceable>mod</replaceable></literal>.
+         See <xref linkend="ghci-scope"/> for
          more details.</para>
        </listitem>
       </varlistentry>