Document main-is behaviour with preprocessors

f1a833b1 · Duncan Coutts · 3d9d11e5 · f1a833b1
Commit f1a833b1 authored Feb 11, 2008 by Duncan Coutts
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doc/Cabal.xml doc/Cabal.xml +8 -3

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--- a/doc/Cabal.xml
+++ b/doc/Cabal.xml
@@ -752,9 +752,14 @@ Executable program2
              (required)
            </term>
            <listitem>
-              <para>The name of the source file containing the
-                <literal>Main</literal> module, relative to one of the
-                directories listed in <literal>hs-source-dirs</literal>.</para>
+              <para>The name of the <filename>.hs</filename> or
+                <filename>.lhs</filename> file containing the
+                <literal>Main</literal> module. Note that it is the
+                <filename>.hs</filename> filename that must be listed, even if
+                that file is generated using a preprocessor. The source
+                file must be relative to one of the directories listed in
+                <literal>hs-source-dirs</literal>.
+              </para>
            </listitem>
          </varlistentry>
 	  <varlistentry>