clarify gotcha with #line directives (from Rocco Caputo

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

diff --git a/pod/perlrun.pod b/pod/perlrun.pod
index 5cc1969..e105b00 100644 (file)
--- a/pod/perlrun.pod
+++ b/pod/perlrun.pod
@@ -701,8 +701,7 @@ can disable or promote into fatal errors specific warnings using
 C<__WARN__> hooks, as described in L<perlvar> and L<perlfunc/warn>.
 See also L<perldiag> and L<perltrap>.  A new, fine-grained warning
 facility is also available if you want to manipulate entire classes
-of warnings; see L<warnings> (or better yet, its source code) about
-that.
+of warnings; see L<warnings> or L<perllexwarn>.
 
 =item B<-W>
 
@@ -810,6 +809,18 @@ Relevant only if your perl executable was built with B<-DDEBUGGING>,
 this controls the behavior of global destruction of objects and other
 references.
 
+=item PERL_ROOT (specific to the VMS port)
+
+A translation concealed rooted logical name that contains perl and the
+logical device for the @INC path on VMS only.  Other logical names that
+affect perl on VMS include PERLSHR, PERL_ENV_TABLES, and 
+SYS$TIMEZONE_DIFFERENTIAL but are optional and discussed further in 
+L<perlvms> and in F<README.vms> in the Perl source distribution.
+
+=item SYS$LOGIN (specific to the VMS port)
+
+Used if chdir has no argument and HOME and LOGDIR are not set.
+
 =back
 
 Perl also has environment variables that control how Perl handles data