docs/devel.md: Change libsigc-list to Discourse

The libsigc-list will soon be closed for new contributions.

diff --git a/docs/devel.md b/docs/devel.md
dissimilarity index 66%
index a049314..060b840 100644 (file)
--- a/docs/devel.md
+++ b/docs/devel.md
@@ -1,20 +1,22 @@
----
-layout: default
-title: Development
----
-## Mailing List
-
-There is a mailing list, [[email protected]](http://mail.gnome.org/mailman/listinfo/libsigc-list) for libsigc++.
-To subscribe, use the web [page](http://mail.gnome.org/mailman/listinfo/libsigc-list).
-
-Members can post directly, but all other traffic is moderated.
-There is an archive of messages,
-[here](http://mail.gnome.org/archives/libsigc-list/).
-
-## Contributing
-
-Please report bugs as GitHub [issues](https://github.com/libsigcplusplus/libsigcplusplus/issues), or provide improvements as GitHub [pull requests](https://github.com/libsigcplusplus/libsigcplusplus/pulls).
-
-## Git
-
-The libsigc++ source code is in the [libsigcplusplus](https://github.com/libsigcplusplus/libsigcplusplus) repository on GitHub.
+---
+layout: default
+title: Development
+---
+## Discussion
+
+You can discuss libsigc++ questions on GNOME's [Discourse](https://discourse.gnome.org)
+instance, under the [Platform/Language bindings](https://discourse.gnome.org/c/platform/language-bindings)
+category with a _cplusplus_ tag.
+
+There is an old mailing list, which is now closed for new posts.
+There is an archive of messages [here](http://mail.gnome.org/archives/libsigc-list/).
+Please do not email the developers directly.
+
+## Contributing
+
+Please report bugs as GitHub [issues](https://github.com/libsigcplusplus/libsigcplusplus/issues),
+or provide improvements as GitHub [pull requests](https://github.com/libsigcplusplus/libsigcplusplus/pulls).
+
+## Git
+
+The libsigc++ source code is in the [libsigcplusplus](https://github.com/libsigcplusplus/libsigcplusplus) repository on GitHub.