update to perlport-1.44 from Chris Nandor <pudge@pobox.com>

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

diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index cb41c96..3a38f55 100644 (file)
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -45,9 +45,7 @@ you try to assign to this variable, either directly or indirectly through
 a reference, you'll raise a run-time exception.
 
 The following list is ordered by scalar variables first, then the
-arrays, then the hashes (except $^M was added in the wrong place).
-This is somewhat obscured because %ENV and %SIG are listed as
-$ENV{expr} and $SIG{expr}.
+arrays, then the hashes.
 
 =over 8
 
@@ -220,8 +218,10 @@ to change that.  An explicit close on a filehandle resets the line
 number.  Because C<E<lt>E<gt>> never does an explicit close, line
 numbers increase across ARGV files (but see examples in L<perlfunc/eof>).
 Consider this variable read-only: setting it does not reposition
-the seek pointer; you'll have to do that on your own.  (Mnemonic:
-many programs use "." to mean the current line number.)  
+the seek pointer; you'll have to do that on your own.  Localizing C<$.>
+has the effect of also localizing Perl's notion of "the last read
+filehandle".  (Mnemonic: many programs use "." to mean the current line
+number.)
 
 =item input_record_separator HANDLE EXPR
 
@@ -686,6 +686,13 @@ of perl in the right bracket?)  Example:
 See also the documentation of C<use VERSION> and C<require VERSION>
 for a convenient way to fail if the running Perl interpreter is too old.
 
+=item $^B
+
+The current set of warning checks enabled by C<use warning>.
+See the documentation of C<warning> for more details.
+
+Used by lexical warnings to store the 
+
 =item $COMPILING
 
 =item $^C
@@ -859,7 +866,7 @@ The hash %INC contains entries for each filename included via the
 C<do>, C<require>, or C<use> operators.  The key is the filename
 you specified (with module names converted to pathnames), and the
 value is the location of the file found.  The C<require>
-operator uses this array to determine whether a particular file has
+operator uses this hash to determine whether a particular file has
 already been included.
 
 =item %ENV
@@ -1038,7 +1045,7 @@ C<W>) is the scalar variable whose name is the single character
 control-C<W>.  This is better than typing a literal control-C<W>
 into your program.
 
-Finally, new in Perl 5.006, Perl variable names may be alphanumeric
+Finally, new in Perl 5.6, Perl variable names may be alphanumeric
 strings that begin with control characters (or better yet, a caret).
 These variables must be written in the form C<${^Foo}>; the braces
 are not optional.  C<${^Foo}> denotes the scalar variable whose