libsigc++ 2.99.13

[Kjell Ahlstedt <install-module master gnome org>]

News
====

* Replace the deprecated std::result_of with std::invoke_result
  (Kjell Ahlstedt) Issue #19

Build:
* CMake: Supply SIGC_BUILD and use CMAKE_CXX_STANDARD
  (Jeff Trull) Issue #23, pull request #24

Documentation:
* Remove some obsolete documentation
  (Murray Cumming) Issue #12 (Jeremy Bicha)
* Rename README to README.md and update it
  (Murray Cumming) Issue #18 (Traumschule)
  (Jürg Billeter) Pull request #20
* Reference docs generated by Doxygen 1.8.11.
  Hopefully it will show up at
  https://developer.gnome.org/libsigc++/unstable/

Tests:
* Add some necessary #include directives
  (Lennard Berger) Pull Request #15



ChangeLog
=========
https://download.gnome.org/sources/libsigc++/2.99/libsigc++-2.99.13.changes  (2.11K)

Download
========
https://download.gnome.org/sources/libsigc++/2.99/libsigc++-2.99.13.tar.xz (892K)
  sha256sum: 6ce40b3d719b6792f145d94511131dd48edaa9c0cd4ec02b0e959d5d1c406621