From ca42305f1ed1699065cffdef7d96bf5fcc0069be Mon Sep 17 00:00:00 2001
From: Théo Zimmermann
Date: Sat, 14 Nov 2020 18:44:57 +0100
Subject: Review commit: improving the doc of boolean attributes.

---
 doc/sphinx/language/extensions/canonical.rst | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'doc/sphinx/language/extensions')

diff --git a/doc/sphinx/language/extensions/canonical.rst b/doc/sphinx/language/extensions/canonical.rst
index ec3e3e8aa6..f7ce7f1c6c 100644
--- a/doc/sphinx/language/extensions/canonical.rst
+++ b/doc/sphinx/language/extensions/canonical.rst
@@ -87,7 +87,8 @@ in :ref:`canonicalstructures`; here only a simple example is given.
       If a same field occurs in several canonical structures, then
       only the structure declared first as canonical is considered.
 
-.. attr:: canonical
+.. attr:: canonical{? = {| yes | no } }
+   :name: canonical
 
    This boolean attribute can decorate a :cmd:`Definition` or
    :cmd:`Let` command.  It is equivalent to having a :cmd:`Canonical
@@ -106,7 +107,7 @@ in :ref:`canonicalstructures`; here only a simple example is given.
 
          #[canonical=no] Prf_equiv : equivalence Carrier Equal
 
-   See :ref:`canonicalstructures` for a more realistic example.
+   See :ref:`hierarchy_of_structures` for a more realistic example.
 
 .. cmd:: Print Canonical Projections {* @reference }
 
@@ -245,6 +246,8 @@ for each component of the pair. The declaration associates to the key ``*``
 relation ``pair_eq`` whenever the type constructor ``*`` is applied to two
 types being themselves in the ``EQ`` class.
 
+.. _hierarchy_of_structures:
+
 Hierarchy of structures
 ----------------------------
 
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