From d39730a03b03bdbb23f0ad042a2bb87055d91d00 Mon Sep 17 00:00:00 2001
From: Jason Gross
Date: Sun, 7 Jun 2020 16:20:08 -0400
Subject: Bring Int63 notations into line with stdlib

We also put them in a module, so users can `Require Int63. Import
Int63.Int63Notations` without needing to unqualify the primitives.

In particular, we change
- `a \% m` into `a mod m` to correspond with the notation in ZArith
- `m == n` into `m =? n` to correspond with the eqb notations elsewhere
- `m < n` into `m <? n` to correspond with the ltb notations elsewhere
- `m <= n` into `m <=? n` to correspond with the leb notations elsewhere
- `m ≤ n` into `m ≤? n` for consistency with the non-unicode notation

The old notations are still accessible as deprecated notations.

Fixes #12454
---
 .../10-standard-library/12479-fix-int-ltb-notations.rst          | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 doc/changelog/10-standard-library/12479-fix-int-ltb-notations.rst

(limited to 'doc')

diff --git a/doc/changelog/10-standard-library/12479-fix-int-ltb-notations.rst b/doc/changelog/10-standard-library/12479-fix-int-ltb-notations.rst
new file mode 100644
index 0000000000..208855b4c8
--- /dev/null
+++ b/doc/changelog/10-standard-library/12479-fix-int-ltb-notations.rst
@@ -0,0 +1,9 @@
+- **Changed:**
+  Int63 notations now match up with the rest of the standard library: :g:`a \%
+  m`, :g:`m == n`, :g:`m < n`, :g:`m <= n`, and :g:`m ≤ n` have been replaced
+  with :g:`a mod m`, :g:`m =? n`, :g:`m <? n`, :g:`m <=? n`, and :g:`m ≤? n`.
+  The old notations are still available as deprecated notations.  Additionally,
+  there is now a ``Coq.Numbers.Cyclic.Int63.Int63.Int63Notations`` module that
+  users can import to get the ``Int63`` notations without unqualifying the
+  various primitives (`#12479 <https://github.com/coq/coq/pull/12479>`_, fixes
+  `#12454 <https://github.com/coq/coq/issues/12454>`_, by Jason Gross).
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