Index: doc/extend.texi
===================================================================
--- doc/extend.texi (revision 257739)
+++ doc/extend.texi (working copy)
@@ -23881,11 +23881,23 @@ deprecated. @xref{Deprecated Features}
@table @code
@item For scope
-If a variable is declared at for scope, it used to remain in scope until
-the end of the scope that contained the for statement (rather than just
-within the for scope). G++ retains this, but issues a warning, if such a
+If a variable is declared at for scope, it used to remain in scope
+until the end of the scope that contained the for statement (rather
+than just within the for scope). The deprecated
+@option{-fno-for-scope} option enables this non-standard behaviour.
+Without the option, G++ retains this, but issues a warning, if such a
variable is accessed outside the for scope.
+The behaviour is deprecated, only available with @option{-std=c++98}
+@option{-std=gnu++98} languages and you must use the
+@option{-fpermissive} option to enable it. The behaviour will be
+removed.
+
+@item Friend Injection
+The @option{-ffriend-injection} option makes injected friends visible
+to regular name lookup, unlike standard C++. This option is
+deprecated and will be removed.
+
@item Implicit C language
Old C system header files did not contain an @code{extern "C" @{@dots{}@}}
scope to set the language. On such systems, all header files are