Change 20659 by [EMAIL PROTECTED] on 2003/08/12 18:39:09
Document the known CR CR LF issue in Win32.
Affected files ...
... //depot/maint-5.8/perl/pod/perldelta.pod#74 edit
Differences ...
==== //depot/maint-5.8/perl/pod/perldelta.pod#74 (text) ====
Index: perl/pod/perldelta.pod
--- perl/pod/perldelta.pod#73~20655~ Tue Aug 12 06:24:21 2003
+++ perl/pod/perldelta.pod Tue Aug 12 11:39:09 2003
@@ -858,6 +858,20 @@
then, the use of sysopen(), sysread() and syswrite() is not supported
for "text" mode operations.
+=head1 Win32: binmode(FH, ":crlf") results in CR CR LF
+
+In Perl 5.6
+
+ binmode(FH, ":crlf");
+
+had no effect ignored in Win32 for "text" streams. In Perl 5.8,
+however, that does have an effect: a new CRLF "layer" is pushed to the
+PerlIO layer stack B<on top of an already existing CRLF layer>. The
+end result is C<CR CR LF> since first the first CRLF layer transforms
+any LFs in output to CR LFs, and then the second CRLF layer does the
+same. The workaround in 5.8 is to leave out the binmode() call:
+the PerlIO default in Win32 already includes the CRLF transformation.
+
=head1 Future Directions
The following things B<might> happen in future. The first publicly
End of Patch.
