docs: Update the web page

kjellahl · kjellahl · commit 5a87d98dacdf · 2020-12-25T16:28:35.000+01:00
The changes are automatically published at
libsigcplusplus.github.io/libsigcplusplus.
diff --git a/docs/devel.md b/docs/devel.md
@@ -15,8 +15,6 @@ There is an archive of messages,
 
 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).
 
-See also the [list of older open libsigc++ bugs in the old bugilla](http://bugzilla.gnome.org/buglist.cgi?product=libsigc%2B%2B&bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=NEEDINFO").
-
 ## Git
 
 The libsigc++ source code is in the [libsigcplusplus](https://github.com/libsigcplusplus/libsigcplusplus) repository on GitHub.
diff --git a/docs/download.md b/docs/download.md
@@ -19,3 +19,5 @@ For instance, Ubuntu Linux, Debian Linux and Fedora Linux have official libsigc+
 libsigc++ is built and tested for a standards-compliant C++ compiler. Luckily, the recent versions of all major C++ compilers are now sufficiently standards-compliant.
 
 libsigc++ version 2.5.1 and later require a C++11-compliant compiler.
+
+libsigc++ version 3.0.0 and later require a C++17-compliant compiler.
diff --git a/docs/index.md b/docs/index.md
@@ -24,7 +24,10 @@ the GNU Library General Public License, [LGPL](http://www.gnu.org/copyleft/lgpl.
 * Extensions do not require alteration of basic components
 * User definable accumulators
 * A variety of adaptors to change the callback signature: bind, hide, retype, compose
-* Most C++ compilers can be used. libsigc++ version 2.5.1 and later require a compiler with C++11 support
+* Most C++ compilers can be used. libsigc++ version 2.5.1 and later require a compiler with C++11 support.
+libsigc++ version 3.0.0 and later require a compiler with C++17 support
+
+sigc++-2.0 and sigc++-3.0 are different parallel-installable ABIs.
 
 ## News
 
@@ -41,5 +44,5 @@ The 1.2 phase was maintained by Murray Cumming after Karl provided the initial 1
 A long 1.9 phase led to the major release 2.0, previously maintained by Martin Schulze,
 and then maintained by Murray Cumming and Kjell Ahlstedt.
 
-Then libsigc++ was rewritten for C++14 using variadic templates, for major release 3.0,
+Then libsigc++ was rewritten for C++17 using variadic templates, for major release 3.0,
 currently maintained by Murray Cumming and Kjell Ahlstedt.
