From bcef949688c29f2bed74609fcc86af3abf9d9f02 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Bidoul?= <stephane.bidoul@gmail.com>
Date: Tue, 22 Jun 2021 10:32:46 +0200
Subject: [PATCH 1/3] PEP 660: update title

To distinguish from PEP 662.
---
 pep-0660.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pep-0660.rst b/pep-0660.rst
index a0eed42c1f8..e344b014dc7 100644
--- a/pep-0660.rst
+++ b/pep-0660.rst
@@ -1,5 +1,5 @@
 PEP: 660
-Title: Editable installs for pyproject.toml based builds
+Title: Editable installs for pyproject.toml based builds (wheel based)
 Author: Daniel Holth <dholth@gmail.com>, Stéphane Bidoul <stephane.bidoul@gmail.com>
 Sponsor: Paul Moore <p.f.moore@gmail.com>
 Discussions-To: https://discuss.python.org/t/draft-pep-editable-installs-for-pep-517-style-build-backends/8510

From 288925914a37a6510e01d8852cbf6aa589a8bdfb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Bidoul?= <stephane.bidoul@gmail.com>
Date: Tue, 22 Jun 2021 10:32:53 +0200
Subject: [PATCH 2/3] PEP 660: add links to prototypes

---
 pep-0660.rst | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/pep-0660.rst b/pep-0660.rst
index e344b014dc7..31720691423 100644
--- a/pep-0660.rst
+++ b/pep-0660.rst
@@ -202,6 +202,26 @@ With regard to the wheel ``.data`` directory, this PEP focuses on making the
 ``console_scripts``, make their ``scripts`` tiny wrappers around library
 functionality, or manage these from the source checkout during development.
 
+Prototypes
+==========
+
+At the time of writing this PEP, several prototype implementations are
+available in various frontends and backends. We provide links below to
+illustrate possible approaches.
+
+Frontends:
+
+- pip (`pull request <https://github.com/pypa/pip/pull/8212>`__)
+
+Build backends:
+
+- enscons (`pull request 1 <https://github.com/dholth/enscons/pull/9>`__,
+  `pull request 2 <https://github.com/dholth/enscons/pull/21>`__)
+- flit (`pull request <https://github.com/takluyver/flit/pull/400>`__)
+- hatchling (`sdist <https://pypi.org/project/hatchling/#files>`__)
+- pdm (`pull request <https://github.com/pdm-project/pdm-pep517/pull/36>`__)
+- setuptools (`setuptools_pep660 repository <https://github.com/dholth/setuptools_pep660>`_)
+
 Rejected ideas
 ==============
 

From e964eeaa2921b44aa8c43de93d547f82f63e8916 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Bidoul?= <stephane.bidoul@gmail.com>
Date: Tue, 22 Jun 2021 10:50:49 +0200
Subject: [PATCH 3/3] PEP 660: there are actually two hooks, not one

---
 pep-0660.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pep-0660.rst b/pep-0660.rst
index 31720691423..9dea9d62e8b 100644
--- a/pep-0660.rst
+++ b/pep-0660.rst
@@ -79,8 +79,8 @@ encouraged to document such potential differences.
 The Mechanism
 =============
 
-This PEP adds a single optional hook to the PEP 517 backend interface. The hook
-is used to build a wheel that, when installed, allows that distribution to be
+This PEP adds two optional hooks to the PEP 517 backend interface. These hooks
+are used to build a wheel that, when installed, allows that distribution to be
 imported from its source folder. 
 
 build_wheel_for_editable