Tweak Annex K doc

* doc/autoconf.texi (C and Posix Variants):
Don’t insist on C11 when talking about Annex K, as
Annex K is also present in later versions of the C standard.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 043f7fb217e97cce37764bd8970f9138c60c7e24..b59423654ab0e44d0ae0af1a2ffb09802cec232a 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -9031,7 +9031,7 @@ ISO/IEC TR 24732:2009 was superseded by ISO/IEC TS 18661-2:2015.
 
 @cvindex __STDC_WANT_LIB_EXT1__
 The C preprocessor macro @code{__STDC_WANT_LIB_EXT1__} is not defined,
-as C11 Annex K is problematic.  See: O'Donell C, Sebor M.
+as the C standard's Annex K is problematic.  See: O'Donell C, Sebor M.
 @uref{http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1967.htm, Field
 Experience With Annex K---Bounds Checking Interfaces}.