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

1 files changed, 10 insertions, 0 deletions

diff --git a/doc/changelog/10-standard-library/11891-fix-order-notations.rst b/doc/changelog/10-standard-library/11891-fix-order-notations.rst
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+- **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).