diff options
| author | Matthieu Sozeau | 2020-12-03 12:30:27 +0100 |
|---|---|---|
| committer | Matthieu Sozeau | 2020-12-03 16:03:37 +0100 |
| commit | d20e4edab5912eb41b8408c3c8ab7541f4fc7834 (patch) | |
| tree | 448fc92561befde8814ecf0ea39d28ee91bdda28 /doc | |
| parent | d6f42354bc4c0129ee067052c40a5f62a6783c52 (diff) | |
Implement review corrections by Théo Zimmermann
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/sphinx/changes.rst | 114 |
1 files changed, 53 insertions, 61 deletions
diff --git a/doc/sphinx/changes.rst b/doc/sphinx/changes.rst index b5fb2cbcec..c2b32afea2 100644 --- a/doc/sphinx/changes.rst +++ b/doc/sphinx/changes.rst @@ -21,11 +21,7 @@ The main changes include: - :ref:`Introduction <813PrimArrays>` of :ref:`primitive persistent arrays<primitive-arrays>` in the core language, implemented using imperative persistent arrays. - Introduction of :ref:`definitional proof irrelevance <813UIP>` for the equality type - defined in the SProp sort, using the :flag:`Definitional UIP` flag, - (deactivated by default). This models definitional uniqueness of - identity proofs for this type. It is deactivated by default as - it can lead to non-termination in combination with impredicativity. - Use of this flag is also printed by :cmd:`Print Assumptions`. + defined in the SProp sort. - Cumulative record and inductive type declarations can now :ref:`specify <813VarianceDecl>` the variance of their universes. - Various bugfixes and uniformization of behavior with respect to the use of @@ -124,7 +120,11 @@ Kernel .. _813UIP: - **Added:** - Definitional UIP, only when :flag:`Definitional UIP` is enabled. See + Definitional UIP, only when :flag:`Definitional UIP` is enabled. + This models definitional uniqueness of identity proofs for the equality + type in SProp. It is deactivated by default as it can lead to + non-termination in combination with impredicativity. + Use of this flag is also printed by :cmd:`Print Assumptions`. See documentation of the flag for details. (`#10390 <https://github.com/coq/coq/pull/10390>`_, by Gaëtan Gilbert). @@ -223,6 +223,16 @@ Specification language, type inference interactive mode. (`#13183 <https://github.com/coq/coq/pull/13183>`_, by Enrico Tassi). + + .. _813TypingFlags: + +- **Added:** + Typing flags can now be specified per-constant / inductive, this + allows to fine-grain specify them from plugins or attributes. See + :ref:`controlling-typing-flags` for details on attribute syntax. + (`#12586 <https://github.com/coq/coq/pull/12586>`_, + by Emilio Jesus Gallego Arias). + - **Added:** Inference of return predicate of a :g:`match` by inversion takes sort elimination constraints into account @@ -493,15 +503,6 @@ Commands and options ^^^^^^^^^^^^^^^^^^^^ - **Changed:** - When compiled with OCaml >= 4.10.0, Coq will use the new best-fit GC - policy, which should provide some performance benefits. Coq's policy - is optimized for speed, but could increase memory consumption in - some cases. You are welcome to tune it using the ``OCAMLRUNPARAM`` - variable and report back on good settings so we can improve the defaults. - (`#13040 <https://github.com/coq/coq/pull/13040>`_, - fixes `#11277 <https://github.com/coq/coq/issues/11277>`_, - by Emilio Jesus Gallego Arias). -- **Changed:** Drop prefixes from grammar non-terminal names, e.g. "constr:global" -> "global", "Prim.name" -> "name". Visible in the output of :cmd:`Print Grammar` and :cmd:`Print Custom Grammar`. @@ -513,24 +514,6 @@ Commands and options raise an error (`#13139 <https://github.com/coq/coq/pull/13139>`_, by Pierre-Marie Pédrot). -- **Changed:** - Option `-native-compiler` of the configure script now impacts the - default value of the `-native-compiler` option of coqc. The - `-native-compiler` option of the configure script is added as an on demand - value, which becomes the default, thus preserving the previous default - behavior. - The stdlib is still precompiled when configuring with `-native-compiler - yes`. It is not precompiled otherwise. - This an implementation of point 2 of - `CEP #48 <https://github.com/coq/ceps/pull/48>`_ - (`#13352 <https://github.com/coq/coq/pull/13352>`_, - by Pierre Roux). -- **Changed:** - The :attr:`export` locality can now be used for all Hint commands, - including :cmd:`Hint Cut`, :cmd:`Hint Mode`, :cmd:`Hint Transparent` / `Opaque` and - :cmd:`Remove Hints` - (`#13388 <https://github.com/coq/coq/pull/13388>`_, - by Pierre-Marie Pédrot). - **Removed:** In the :cmd:`Extraction Language` command, remove `Ocaml` as a valid value. Use `OCaml` instead. This was deprecated in Coq 8.8, `#6261 <https://github.com/coq/coq/pull/6261>`_ @@ -551,7 +534,14 @@ Commands and options (`#12516 <https://github.com/coq/coq/pull/12516>`_, by Maxime Dénès). - **Added:** - Added support for automatic insertion of coercions in :cmd:`Search` + The :attr:`export` locality can now be used for all Hint commands, + including :cmd:`Hint Cut`, :cmd:`Hint Mode`, :cmd:`Hint Transparent` / + :cmd:`Opaque <Hint Opaque>` and + :cmd:`Remove Hints` + (`#13388 <https://github.com/coq/coq/pull/13388>`_, + by Pierre-Marie Pédrot). +- **Added:** + Support for automatic insertion of coercions in :cmd:`Search` patterns. Additionally, head patterns are now automatically interpreted as types (`#13255 <https://github.com/coq/coq/pull/13255>`_, @@ -572,14 +562,22 @@ Tools ^^^^^ - **Changed:** + Option `-native-compiler` of the configure script now impacts the + default value of the `-native-compiler` option of coqc. The + `-native-compiler` option of the configure script supports a new `ondemand` + value, which becomes the default, thus preserving the previous default + behavior. + The stdlib is still precompiled when configuring with `-native-compiler + yes`. It is not precompiled otherwise. + This an implementation of point 2 of + `CEP #48 <https://github.com/coq/ceps/pull/48>`_ + (`#13352 <https://github.com/coq/coq/pull/13352>`_, + by Pierre Roux). +- **Changed:** Added the ability for coq_makefile to directly set the installation folders, - through the :n:`COQLIBINSTALL` and :n:`COQDOCINSTALL` variables. + through the `COQLIBINSTALL` and `COQDOCINSTALL` variables. See :ref:`coqmakefilelocal`. (`#12389 <https://github.com/coq/coq/pull/12389>`_, by Martin Bodin, review of Enrico Tassi). -- **Changed:** - ``dev/tools/make-changelog.sh`` now asks for a list of bugs fixed by the PR - (`#12410 <https://github.com/coq/coq/pull/12410>`_, fixes `#12386 - <https://github.com/coq/coq/issues/12386>`_, by Jason Gross). - **Removed:** The option ``-I`` of coqchk was removed (it was deprecated in Coq 8.8) (`#12613 <https://github.com/coq/coq/pull/12613>`_, by Gaëtan Gilbert). @@ -627,8 +625,8 @@ Standard library get the ``PrimFloat`` notations without unqualifying the various primitives (`#12556 <https://github.com/coq/coq/pull/12556>`_, fixes `#12454 <https://github.com/coq/coq/issues/12454>`_, by Jason Gross). -- **Changed:** - Change the sort of cyclic numbers from Type to Set. For backward compatibility, a dynamic sort was defined in the 3 packages bignums, coqprime and color. +- **Changed:** the sort of cyclic numbers from Type to Set. + For backward compatibility, a dynamic sort was defined in the 3 packages bignums, coqprime and color. See for example commit 6f62bda in bignums. (`#12801 <https://github.com/coq/coq/pull/12801>`_, by Vincent Semeria). @@ -665,29 +663,23 @@ Infrastructure and dependencies ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - **Changed:** - Coq's core system now uses the `zarith <https://github.com/ocaml/Zarith>`_ + When compiled with OCaml >= 4.10.0, Coq will use the new best-fit GC + policy, which should provide some performance benefits. Coq's policy + is optimized for speed, but could increase memory consumption in + some cases. You are welcome to tune it using the ``OCAMLRUNPARAM`` + variable and report back on good settings so we can improve the defaults. + (`#13040 <https://github.com/coq/coq/pull/13040>`_, + fixes `#11277 <https://github.com/coq/coq/issues/11277>`_, + by Emilio Jesus Gallego Arias). +- **Changed:** + Coq now uses the `zarith <https://github.com/ocaml/Zarith>`_ library, based on GNU's gmp instead of ``num`` which is deprecated upstream. The custom ``bigint`` module is - not longer provided; note that ``micromega`` still uses - ``num`` + no longer provided. (`#11742 <https://github.com/coq/coq/pull/11742>`_, - by Emilio Jesus Gallego Arias and Vicent Laporte). -- **Removed:** - The `num` library is not linked to Coq anymore - (`#13007 <https://github.com/coq/coq/pull/13007>`_, - by Emilio Jesus Gallego Arias). - -Miscellaneous -^^^^^^^^^^^^^ - - .. _813TypingFlags: - -- **Added:** - Typing flags can now be specified per-constant / inductive, this - allows to fine-grain specify them from plugins or attributes. See - :ref:`controlling-typing-flags` for details on attribute syntax. - (`#12586 <https://github.com/coq/coq/pull/12586>`_, - by Emilio Jesus Gallego Arias). + `#13007 <https://github.com/coq/coq/pull/13007>`_, + by Emilio Jesus Gallego Arias and Vicent Laporte, with help from + Frédéric Besson). Version 8.12 ------------ |
