From 528dd28a48dd7b1898212e2aae9b43bb19fb91cc Mon Sep 17 00:00:00 2001
From: Jason Gross
Date: Mon, 23 Mar 2020 15:53:26 -0400
Subject: Fix levels of `<=?` and `<?` in the stdlib

They were defined at level 70, no associativity in all but three places,
where they were instead declared at level 35.

Fixes #11890
---
 .../10-standard-library/11891-fix-order-notations.rst          | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 doc/changelog/10-standard-library/11891-fix-order-notations.rst

(limited to 'doc')

diff --git a/doc/changelog/10-standard-library/11891-fix-order-notations.rst b/doc/changelog/10-standard-library/11891-fix-order-notations.rst
new file mode 100644
index 0000000000..d58d26244a
--- /dev/null
+++ b/doc/changelog/10-standard-library/11891-fix-order-notations.rst
@@ -0,0 +1,10 @@
+- **Changed:**
+  Notations :g:`<=?` and :g:`<?` from ``Coq.Structures.Orders`` and
+  ``Coq.Sorting.Mergesort.NatOrder`` are now at level 70 rather than
+  35, so as to be compatible with the notations defined everywhere
+  else in the standard library.  This may require re-parenthesizing
+  some expressions.  These notations were breaking the ability to
+  import modules from the standard library that were otherwise
+  compatible (fixes `#11890
+  <https://github.com/coq/coq/issues/11890>`_, `#11891
+  <https://github.com/coq/coq/pull/11891>`_, by Jason Gross).
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