strchrnul: work around cygwin bug

[pspp] / doc / posix-functions / dup2.texi

diff --git a/doc/posix-functions/dup2.texi b/doc/posix-functions/dup2.texi
index febbd53cc90eedc24e3f2b2708395ce5110b3689..fc1e3595a9e79b9de55b41f088d055c701a405f4 100644 (file)
--- a/doc/posix-functions/dup2.texi
+++ b/doc/posix-functions/dup2.texi
@@ -2,7 +2,7 @@
 @section @code{dup2}
 @findex dup2
 
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/dup2.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/dup2.html}
 
 Gnulib module: dup2
 
@@ -16,6 +16,11 @@ mingw.
 This function can hang when duplicating an fd to itself on some platforms:
 mingw.
 
+@item
+This function resets the @code{FD_CLOEXEC} flag when duplicating an fd
+to itself on some platforms:
+Haiku.
+
 @item
 This function returns 0 for @code{dup2 (1, 1)} on some platforms:
 Cygwin 1.5.x.