diff options
Diffstat (limited to 'doc/sphinx/user-extensions/syntax-extensions.rst')
| -rw-r--r-- | doc/sphinx/user-extensions/syntax-extensions.rst | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/doc/sphinx/user-extensions/syntax-extensions.rst b/doc/sphinx/user-extensions/syntax-extensions.rst index 453e878a5d..f65361bc64 100644 --- a/doc/sphinx/user-extensions/syntax-extensions.rst +++ b/doc/sphinx/user-extensions/syntax-extensions.rst @@ -467,6 +467,7 @@ Displaying information about notations - `tactic` - for currently-defined tactic notations, :token:`tactic`\s and tacticals (corresponding to :token:`ltac_expr` in the documentation). - `vernac` - for :token:`command`\s + - `ltac2` - for Ltac2 notations (corresponding to :token:`ltac2_expr`) This command doesn't display all nonterminals of the grammar. For example, productions shown by `Print Grammar tactic` refer to nonterminals `tactic_then_locality` @@ -1181,7 +1182,7 @@ Here are the syntax elements used by the various notation commands. .. prodn:: syntax_modifier ::= at level @natural | in custom @ident {? at level @natural } - | {+, @ident } at @level + | {+, @ident } {| at @level | in scope @ident } | @ident at @level {? @binder_interp } | @ident @explicit_subentry | @ident @binder_interp @@ -1373,6 +1374,10 @@ interpreted in the scope stack extended with the scope bound to :n:`@scope_key`. Removes the delimiting keys associated with a scope. +The arguments of an :ref:`abbreviation <Abbreviations>` can be interpreted +in a scope stack locally extended with a given scope by using the modifier +:n:`{+, @ident } in scope @scope_name`.s + Binding types or coercion classes to a notation scope ++++++++++++++++++++++++++++++++++++++++++++++++++++++ @@ -1566,7 +1571,7 @@ Displaying information about scopes Abbreviations -------------- -.. cmd:: Notation @ident {* @ident__parm } := @one_term {? ( only parsing ) } +.. cmd:: Notation @ident {* @ident__parm } := @one_term {? ( {+, @syntax_modifier } ) } :name: Notation (abbreviation) .. todo: for some reason, Sphinx doesn't complain about a duplicate name if |