docbase: fix info filename; don't remove doc/updated-stamp

[gnulib.git] / doc / posix-headers / stdalign.texi

diff --git a/doc/posix-headers/stdalign.texi b/doc/posix-headers/stdalign.texi
index 62d5cbd..036560d 100644 (file)
--- a/doc/posix-headers/stdalign.texi
+++ b/doc/posix-headers/stdalign.texi
@@ -25,6 +25,11 @@ the types @code{double} and @code{long long} in GCC 4.7.0.
 Portability problems not fixed by Gnulib:
 @itemize
 @item
+In ISO C11, the operand of @code{alignof}/@code{_Alignof} must be a
+parenthesized type.  Recent versions of GCC support an extension in
+which the operand can also be a unary expression, as with
+@code{sizeof}.  The Gnulib substitute does not support this extension.
+@item
 @code{_Alignas} and @code{alignas} are not always supported;
 on platforms lacking support, the
 macro @code{__alignas_is_defined} is not defined.
@@ -50,8 +55,8 @@ module @code{stdalign-tests} to fail.  The Sun Studio Developer Bug
 Report Review Team assigned the internal review ID 2125432 (dated
 2011-11-01) to this issue.
 @item
-@code{<stdalign.h>} must be #included before @samp{_Alignas} and
-@samp{_Alignof} can be used.
+@code{<stdalign.h>} must be #included before @code{_Alignas} and
+@code{_Alignof} can be used.
 @item
 You cannot assume that @code{_Alignas} and @code{_Alignof} are reserved words;
 they might be macros.