X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-functions%2Fsetenv.texi;h=a83f9a3d3f15620722abf370bd5cedd9c279315c;hb=da59166b23ea84c65ce3827a9928bcf201ca09f3;hp=87c9e2d7ccaf2e7b89969883d23b7c015937a8bb;hpb=8dffeb6f35aff7e201bed55c43ea83b62139803e;p=gnulib.git

diff --git a/doc/posix-functions/setenv.texi b/doc/posix-functions/setenv.texi
index 87c9e2d7c..a83f9a3d3 100644
--- a/doc/posix-functions/setenv.texi
+++ b/doc/posix-functions/setenv.texi
@@ -2,7 +2,7 @@
 @section @code{setenv}
 @findex setenv
 
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/setenv.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/setenv.html}
 
 Gnulib module: setenv
 
@@ -13,8 +13,8 @@ This function is missing on some platforms:
 AIX 4.3.2, HP-UX 11, IRIX 6.5, Solaris 9, mingw, BeOS.
 @item
 On some platforms, this function does not fail with @samp{EINVAL} when
-passed a null pointer, an empty string, or a string containing @samp{=}:
-FreeBSD 6.0, NetBSD 1.6, OpenBSD 3.8, Cygwin 1.5.x.
+passed an empty string or a string containing @samp{=}:
+MacOS X 10.5, FreeBSD 6.0, NetBSD 1.6, OpenBSD 3.8, Cygwin 1.5.x.
 @item
 On some platforms, this function removes a leading @samp{=} from the
 value argument:
@@ -23,4 +23,8 @@ Cygwin 1.5.x.
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+Older versions of POSIX required that @code{setenv(NULL,"",0)} gracefully
+fail with @code{EINVAL}, but not all implementations guarantee this,
+and the requirement was removed.
 @end itemize