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-rw-r--r--doc/sphinx/addendum/type-classes.rst10
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/sphinx/addendum/type-classes.rst b/doc/sphinx/addendum/type-classes.rst
index cdd31fcb86..e311544c86 100644
--- a/doc/sphinx/addendum/type-classes.rst
+++ b/doc/sphinx/addendum/type-classes.rst
@@ -388,6 +388,16 @@ Summary of the commands
equivalent to ``Hint Resolve ident : typeclass_instances``, except it
registers instances for :cmd:`Print Instances`.
+ .. flag:: Instance Generalized Output
+
+ .. deprecated:: 8.13
+
+ Disabled by default, this provides compatibility with Coq
+ version 8.12 and earlier.
+
+ When enabled, the type of the instance is implicitly generalized
+ over unbound and :ref:`generalizable <implicit-generalization>` variables as though surrounded by ``\`{}``.
+
.. cmd:: Print Instances @reference
Shows the list of instances associated with the typeclass :token:`reference`.