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 b7fcd52..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.
 
@@ -4572,7 +4576,7 @@ the original quicksort was faster.  5.8 has a sort pragma for
 limited control of the sort.  Its rather blunt control of the
 underlying algorithm may not persist into future perls, but the
 ability to characterize the input or output in implementation
-independent ways quite probably will.  See L</use>.
+independent ways quite probably will.  See L<sort>.
 
 Examples: