From: Jarkko Hietaniemi Date: Mon, 9 Apr 2001 03:18:49 +0000 (+0000) Subject: perl571delta tweaking continues. X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=31d2fa6a8f67c32852e765e64cb8bee8cc28b55a;p=p5sagit%2Fp5-mst-13.2.git perl571delta tweaking continues. p4raw-id: //depot/perl@9652 --- diff --git a/pod/perl571delta.pod b/pod/perl571delta.pod index 54a9b8d..69a3910 100644 --- a/pod/perl571delta.pod +++ b/pod/perl571delta.pod @@ -136,7 +136,7 @@ the child process. =item * -The following builtin functions are now overrideable: chop(), chomp(), +The following builtin functions are now overridable: chop(), chomp(), each(), keys(), pop(), push(), shift(), splice(), unshift(). =item * @@ -175,7 +175,7 @@ The Unicode Character Database coming with Perl has been upgraded to Unicode 3.1. For more information, see http://www.unicode.org/, and http://www.unicode.org/unicode/reports/tr27/ -For developers interested in enhanching Perl's Unicode capabilities: +For developers interested in enhancing Perl's Unicode capabilities: almost all the UCD files are included with the Perl distribution in the lib/unicode subdirectory. The most notable omission, for space considerations, is the Unihan database. @@ -199,16 +199,19 @@ C<\s> doesn't.) =item * -B::Concise is a new compiler backend for walking the Perl syntax tree, -printing concise info about ops. The output is highly customisable, -so customisable that B::Terse has been re-implemented in terms of -B::Concise. +B::Concise, from Stephen McCamant, is a new compiler backend for +walking the Perl syntax tree, printing concise info about ops. +The output is highly customisable. + +See L for more information. =item * Class::ISA for reporting the search path for a class's ISA tree, from Sean Burke, has been added. +See L for more information. + =item * Cwd has now a split personality: if possible, an extension is used, @@ -220,6 +223,8 @@ if not possible, the familiar Perl library implementation is used. Digest, a frontend module for calculating digests (checksums), from Gisle Aas, has been added. +See L for more information. + =item * Digest::MD5 for calculating MD5 digests (checksums), from Gisle Aas, @@ -234,17 +239,22 @@ has been added. NOTE: the MD5 backward compatibility module is purposefully not included since its use is discouraged. +See L for more information. + =item * -Encode provides a mechanism to translate between different character -encodings. Support for Unicode, ISO-8859-*, ASCII, CP*, KOI8-R, and -three variants of EBCDIC are compiled in to the module. Several other -encodings (like Japanese, Chinese, and MacIntosh encodings) are -included and will be loaded at runtime. +Encode, from Nick Ing-Simmons, provides a mechanism to translate +between different character encodings. Support for Unicode, +ISO-8859-*, ASCII, CP*, KOI8-R, and three variants of EBCDIC are +compiled in to the module. Several other encodings (like Japanese, +Chinese, and MacIntosh encodings) are included and will be loaded at +runtime. Any encoding supported by Encode module is also available to the ":encoding()" layer if PerlIO is used. +See L for more information. + =item * Filter::Simple is an easy-to-use frontend to Filter::Util::Call, @@ -273,11 +283,14 @@ from Damian Conway. print "red\n"; # this code is not filtered, will print "red\n" +See L for more information. + =item * Filter::Util::Call, from Paul Marquess, provides you with the framework to write I in Perl. For most uses the frontend Filter::Simple is to be preferred. +See L for more information. =item * @@ -287,10 +300,13 @@ locale standards, such as "fr" for France, "usd" for US Dollar, and "jp" for Japanese. use Locale::Country; - + $country = code2country('jp'); # $country gets 'Japan' $code = country2code('Norway'); # $code gets 'no' +See L, L, L, +and L for more information. + =item * MIME::Base64, from Gisle Aas, allows you to encode data in base64. @@ -302,6 +318,8 @@ MIME::Base64, from Gisle Aas, allows you to encode data in base64. print $encoded, "\n"; # "QWxhZGRpbjpvcGVuIHNlc2FtZQ==" +See L for more information. + =item * MIME::QuotedPrint, from Gisle Aas, allows you to encode data in @@ -320,29 +338,33 @@ necessary to use it with PerlIO::Via as in : use MIME::QuotedPrint; open($fh,">Via(MIME::QuotedPrint)",$path) +See L for more information. + =item * -PerlIO::Scalar provides the implementation of IO to "in memory" Perl -scalars as discussed above. It also serves as an example of -a loadable layer. Other future possibilities include PerlIO::Array -and PerlIO::Code. +PerlIO::Scalar, from Nick Ing-Simmons, provides the implementation of +IO to "in memory" Perl scalars as discussed above. It also serves as +an example of a loadable layer. Other future possibilities include +PerlIO::Array and PerlIO::Code. See L for more +information. =item * -PerlIO::Via acts as a PerlIO layer and wraps PerlIO layer -functionality provided by a class (typically implemented in -perl code). +PerlIO::Via, from Nick Ing-Simmons, acts as a PerlIO layer and wraps +PerlIO layer functionality provided by a class (typically implemented +in perl code). use MIME::QuotedPrint; open($fh,">Via(MIME::QuotedPrint)",$path) This will automatically convert everything output to C<$fh> -to Quoted-Printable. +to Quoted-Printable. See L for more information. =item * Pod::Text::Overstrike, from Joe Smith, has been added. It converts POD data to formatted overstrike text. +See L for more information. =item * @@ -368,13 +390,15 @@ you have C and C available in Perl. else { print "previous case not true" } } +See L for more information. + =item * Text::Balanced from Damian Conway has been added, for extracting delimited text sequences from strings. use Text::Balanced 'extract_delimited'; - + ($a, $b) = extract_delimited("'never say never', he never said", "'", ''); C<$a> will be "'never say never'", C<$b> will be ', he never said'. @@ -382,12 +406,13 @@ C<$a> will be "'never say never'", C<$b> will be ', he never said'. In addition to extract_delimited() there are also extract_bracketed(), extract_quotelike(), extract_codeblock(), extract_variable(), extract_tagged(), extract_multiple(), gen_delimited_pat(), and -gen_extract_tagged(). +gen_extract_tagged(). See L for more information. =item * Tie::RefHash::Nestable, from Edward Avis, allows storing hash references -(unlike the standard Tie::Refhash) +(unlike the standard Tie::Refhash) The module is contained within +Tie::RefHash. =item * @@ -404,7 +429,7 @@ worth studying. =item * B::Deparse should be now more robust. It still far from providing a full -round trip for any random piece of Perl code, though, and is unde active +round trip for any random piece of Perl code, though, and is under active development: expect more robustness in 5.7.2. =item * @@ -413,7 +438,8 @@ Class::Struct can now define the classes in compile time. =item * -Math::BigFloat has undergone much fixing. +Math::BigFloat has undergone much fixing, and in addition the fmod() +function now supports modulus operations. (The fixed Math::BigFloat module is also available in CPAN for those who can't upgrade their Perl: http://www.cpan.org/authors/id/J/JP/JPEACOCK/) @@ -639,15 +665,15 @@ and MacPerl have been synchronised) =item * -NCR MP-RAS +NCR MP-RAS is now supported. =item * -NonStop-UX +NonStop-UX is now supported. =item * -Amdahl UTS +Amdahl UTS is now supported. =item * @@ -751,13 +777,18 @@ and Perl will be built and tested, all in /tmp/perl/build/directory. =head1 Selected Bug Fixes -Numerous memory leaks have been hunted down. Most importantly anonymous -subs used to leak quite a bit. +Numerous memory leaks and uninitialized memory leaks have been hunted down. +Most importantly anonymous subs used to leak quite a bit. =over 4 =item * +chop(@list) in list context returned the characters chopped in reverse +order. This has been reversed to be in the right order. + +=item * + The order of DESTROYS has been made more predictable. =item * @@ -776,6 +807,12 @@ to Perl) didn't work for more than a single group of options. =item * +The tainting behaviour of sprintf() has been rationalized. It does +not taint the result of floating point formats anymore, making the +behaviour consistent with that of string interpolation. + +=item * + All but the first argument of the IO syswrite() method are now optional. =item * @@ -803,6 +840,34 @@ accept(), revcfrom() (in Perl: recv()), getpeername(), and getsockname(). Previously DYNIX/ptx had problems in its Configure probe for non-blocking I/O. +=item * + +Windows + +=over 8 + +=item * + +Borland C++ v5.5 is now a supported compiler that can build Perl. +However, the generated binaries continue to be incompatible with those +generated by the other supported compilers (GCC and Visual C++). + +=item * + +Win32::GetCwd() correctly returns C:\ instead of C: when at the drive root. +Other bugs in chdir() and Cwd::cwd() have also been fixed. + +=item * + +Duping socket handles with open(F, ">&MYSOCK") now works under Windows 9x. + +=item * + +The makefiles now provide a single switch to bulk-enable all the features +enabled in ActiveState ActivePerl (a popular binary distribution). + +=back + =back =head1 New or Changed Diagnostics @@ -844,15 +909,19 @@ a no-op) and the latter replaced with dSP. =item * Perl now uses system malloc instead of Perl malloc in all 64-bit -platforms. This change breaks backward compatibility but Perl's -malloc has problems with large address spaces and also the speed of -vendors' malloc is generally better in large address space machines -(Perl's malloc is mostly tuned for space). +platforms, and even in some not-always-64-bit platforms like AIX, +IRIX, and Solaris. This change breaks backward compatibility but +Perl's malloc has problems with large address spaces and also the +speed of vendors' malloc is generally better in large address space +machines (Perl's malloc is mostly tuned for space). =back =head1 Known Problems +Notice that this list doesn't contain problems that were present in +5.7.0 and still are there, see L for those. + =head2 lib/b test 19 The test fails in various platforms (PA64 and IA64 are known), but the