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-rw-r--r--doc/sphinx/addendum/generalized-rewriting.rst2
-rw-r--r--doc/sphinx/addendum/ring.rst23
2 files changed, 12 insertions, 13 deletions
diff --git a/doc/sphinx/addendum/generalized-rewriting.rst b/doc/sphinx/addendum/generalized-rewriting.rst
index e10e16c107..e4d24a1f7e 100644
--- a/doc/sphinx/addendum/generalized-rewriting.rst
+++ b/doc/sphinx/addendum/generalized-rewriting.rst
@@ -106,7 +106,7 @@ argument.
Morphisms can also be contravariant in one or more of their arguments.
A morphism is contravariant on an argument associated to the relation
-instance :math`R` if it is covariant on the same argument when the inverse
+instance :math:`R` if it is covariant on the same argument when the inverse
relation :math:`R^{−1}` (``inverse R`` in Coq) is considered. The special arrow ``-->``
is used in signatures for contravariant morphisms.
diff --git a/doc/sphinx/addendum/ring.rst b/doc/sphinx/addendum/ring.rst
index 47d3a7d7cd..6a9b343ba8 100644
--- a/doc/sphinx/addendum/ring.rst
+++ b/doc/sphinx/addendum/ring.rst
@@ -310,16 +310,15 @@ The :n:`@ident` is not relevant. It is just used for error messages. The
axioms. The optional list of modifiers is used to tailor the behavior
of the tactic. The following list describes their syntax and effects:
-.. prodn::
- ring_mod ::= abstract %| decidable @term %| morphism @term
- %| setoid @term @term
- %| constants [@ltac]
- %| preprocess [@ltac]
- %| postprocess [@ltac]
- %| power_tac @term [@ltac]
- %| sign @term
- %| div @term
-
+.. productionlist:: coq
+ ring_mod : abstract | decidable `term` | morphism `term`
+ : | setoid `term` `term`
+ : | constants [`ltac`]
+ : | preprocess [`ltac`]
+ : | postprocess [`ltac`]
+ : | power_tac `term` [`ltac`]
+ : | sign `term`
+ : | div `term`
abstract
declares the ring as abstract. This is the default.
@@ -663,8 +662,8 @@ messages. :n:`@term` is a proof that the field signature satisfies the
(semi-)field axioms. The optional list of modifiers is used to tailor
the behavior of the tactic.
-.. prodn::
- field_mod := @ring_mod %| completeness @term
+.. productionlist:: coq
+ field_mod : `ring_mod` | completeness `term`
Since field tactics are built upon ``ring``
tactics, all modifiers of the ``Add Ring`` apply. There is only one