docs: list of places where $_ is used

From: "Gabor Szabo" <szabgab@gmail.com>
Message-ID: <d8a74af10712252049t1b63b475mfca9225324f5fce6@mail.gmail.com>

p4raw-id: //depot/perl@32730

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index b2f1484..7f65590 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -148,13 +148,18 @@ don't use it:
 
 =item *
 
-Various unary functions, including functions like ord() and int(), as well
-as the all file tests (C<-f>, C<-d>) except for C<-t>, which defaults to
-STDIN.
+The following functions:
+
+abs, alarm, chomp chop, chr, chroot, cos, defined, eval, exp, glob,
+hex, int, lc, lcfirst, length, log, lstat, mkdir, ord, pos, print,
+quotemeta, readlink, readpipe, ref, require, reverse, rmdir, sin, split, 
+sqrt, stat, study, uc, ucfirst, unlink, unpack.
 
 =item *
 
-Various list functions like print() and unlink().
+All file tests (C<-f>, C<-d>) except for C<-t>, which defaults to STDIN.
+See L<perlfunc/-X>
+
 
 =item *
 
@@ -172,6 +177,10 @@ The implicit iterator variable in the grep() and map() functions.
 
 =item *
 
+The implicit variable of given().
+
+=item *
+
 The default place to put an input record when a C<< <FH> >>
 operation's result is tested by itself as the sole criterion of a C<while>
 test.  Outside a C<while> test, this will not happen.