From b63cd131e8b4a5600973c860d2ccc6e3e5c8ce91 Mon Sep 17 00:00:00 2001
From: letouzey
Date: Mon, 4 Jan 2010 17:50:38 +0000
Subject: Specific syntax for Instances in Module Type: Declare Instance

NB: the grammar entry is placed in vernac:command on purpose
 even if it should have gone into vernac:gallina_ext. Camlp4
 isn't factorising rules starting by "Declare" in a correct way
 otherwise...

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12623 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 doc/refman/Classes.tex | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'doc')

diff --git a/doc/refman/Classes.tex b/doc/refman/Classes.tex
index 0ddbb6d894..1ea07f79a2 100644
--- a/doc/refman/Classes.tex
+++ b/doc/refman/Classes.tex
@@ -340,6 +340,14 @@ priority as for auto hints.
 \item {\tt Program Instance} \comindex{Program Instance}
   Switches the type-checking to \Program~(chapter \ref{Program})
   and uses the obligation mechanism to manage missing fields.
+
+\item {\tt Declare Instance} \comindex{Declare Instance}
+  In a {\tt Module Type}, this command states that a corresponding
+  concrete instance should exist in any implementation of this
+  {\tt Module Type}. This is similar to the distinction between
+  {\tt Parameter} vs. {\tt Definition}, or between {\tt Declare Module}
+  and {\tt Module}.
+
 \end{Variants}
 
 Besides the {\tt Class} and {\tt Instance} vernacular commands, there
-- 
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