Pod formatting nit, found by Merijn and Jos Boumans.

[p5sagit/p5-mst-13.2.git] / pod / perlfunc.pod

diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod
index 564f3b6..53ac84e 100644 (file)
--- a/pod/perlfunc.pod
+++ b/pod/perlfunc.pod
@@ -1578,9 +1578,6 @@ This surprising autovivification in what does not at first--or even
 second--glance appear to be an lvalue context may be fixed in a future
 release.
 
-See L<perlref/"Pseudo-hashes: Using an array as a hash"> for specifics
-on how exists() acts when used on a pseudo-hash.
-
 Use of a subroutine call, rather than a subroutine name, as an argument
 to exists() is an error.
 
@@ -1873,6 +1870,13 @@ does not accept a PID argument, so only C<PID==0> is truly portable.
 
 Returns the process id of the parent process.
 
+Note for Linux users: on Linux, the C functions C<getpid()> and
+C<getppid()> return different values from different threads. In order to
+be portable, this behavior is not reflected by the perl-level function
+C<getppid()>, that returns a consistent value across threads. If you want
+to call the underlying C<getppid()>, you may use the CPAN module
+C<Linux::Pid>.
+
 =item getpriority WHICH,WHO
 
 Returns the current priority for a process, a process group, or a user.
@@ -1969,7 +1973,7 @@ lookup by name, in which case you get the other thing, whatever it is.
     $name  = getpwuid($num);
     $name  = getpwent();
     $gid   = getgrnam($name);
-    $name  = getgrgid($num;
+    $name  = getgrgid($num);
     $name  = getgrent();
     #etc.