[PR PATCH] python3-pybind11: fix generation of man page

[ahesford <ahesford@users.noreply.github.com>]

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There is a new pull request by ahesford against master on the void-packages repository

https://github.com/ahesford/void-packages pybind11
https://github.com/void-linux/void-packages/pull/22149

python3-pybind11: fix generation of man page
pybind11 fails to build man pages with `python3-breathe>=4.17.0`; this patch fixes that.

cc: @q66 

A patch file from https://github.com/void-linux/void-packages/pull/22149.patch is attached

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From 155c57e78be0050940e34768623909ee1490dd4e Mon Sep 17 00:00:00 2001
From: "Andrew J. Hesford" <ajh@sideband.org>
Date: Wed, 20 May 2020 08:19:04 -0400
Subject: [PATCH] python3-pybind11: fix generation of man page

---
 srcpkgs/python3-pybind11/patches/docs.patch | 21 +++++++++++++++++++++
 srcpkgs/python3-pybind11/template           |  2 +-
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/python3-pybind11/patches/docs.patch

diff --git a/srcpkgs/python3-pybind11/patches/docs.patch b/srcpkgs/python3-pybind11/patches/docs.patch
new file mode 100644
index 00000000000..7bf62a7f9d8
--- /dev/null
+++ b/srcpkgs/python3-pybind11/patches/docs.patch
@@ -0,0 +1,21 @@
+diff --git a/include/pybind11/pytypes.h b/include/pybind11/pytypes.h
+index 63cbf2e..519f839 100644
+--- include/pybind11/pytypes.h
++++ include/pybind11/pytypes.h
+@@ -980,6 +980,7 @@ public:
+         return std::string(buffer, (size_t) length);
+     }
+ };
++/// @} pytypes
+ 
+ inline bytes::bytes(const pybind11::str &s) {
+     object temp = s;
+@@ -1009,6 +1010,8 @@ inline str::str(const bytes& b) {
+     m_ptr = obj.release().ptr();
+ }
+ 
++/// \addtogroup pytypes
++/// @{
+ class none : public object {
+ public:
+     PYBIND11_OBJECT(none, object, detail::PyNone_Check)
diff --git a/srcpkgs/python3-pybind11/template b/srcpkgs/python3-pybind11/template
index 337a44dbe13..adbe4c10dbd 100644
--- a/srcpkgs/python3-pybind11/template
+++ b/srcpkgs/python3-pybind11/template
@@ -1,7 +1,7 @@
 # Template file for 'python3-pybind11'
 pkgname=python3-pybind11
 version=2.5.0
-revision=1
+revision=2
 archs=noarch
 wrksrc="pybind11-${version}"
 build_style=python3-module