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1 | =encoding utf8 |
2 | ||
d2006265 FC |
3 | =for comment |
4 | This has been completed up to 527d644b124fe. | |
5 | ||
44691e6f AB |
6 | =head1 NAME |
7 | ||
63ac71b9 RS |
8 | [ this is a template for a new perldelta file. Any text flagged as |
9 | XXX needs to be processed before release. ] | |
10 | ||
f25d4e05 | 11 | perldelta - what is new for perl v5.15.3 |
760696b8 | 12 | |
5438d4b8 | 13 | =head1 DESCRIPTION |
5cd408a2 | 14 | |
f25d4e05 RS |
15 | This document describes differences between the 5.15.2 release and |
16 | the 5.15.3 release. | |
5cd408a2 | 17 | |
f25d4e05 RS |
18 | If you are upgrading from an earlier release such as 5.15.1, first read |
19 | L<perl5152delta>, which describes differences between 5.15.1 and | |
20 | 5.15.2. | |
062678b2 | 21 | |
63ac71b9 | 22 | =head1 Notice |
4185c919 | 23 | |
63ac71b9 | 24 | XXX Any important notices here |
0afed34d | 25 | |
63ac71b9 | 26 | =head1 Core Enhancements |
0afed34d | 27 | |
63ac71b9 RS |
28 | XXX New core language features go here. Summarise user-visible core language |
29 | enhancements. Particularly prominent performance optimisations could go | |
30 | here, but most should go in the L</Performance Enhancements> section. | |
0afed34d | 31 | |
63ac71b9 | 32 | [ List each enhancement as a =head2 entry ] |
0afed34d | 33 | |
d2006265 FC |
34 | =head2 More CORE subs are callable through references |
35 | ||
36 | Perl 5.15., introduced subroutines in the CORE namespace. Most of them | |
37 | could only be called as barewords; i.e., they could be aliased at compile | |
38 | time and then inlined under new names. | |
39 | ||
40 | Many more of these functions can now be called through references and via | |
41 | C<&foo()> syntax, bypassing the prototype. | |
42 | ||
43 | XXX This is too vague, but the exact list of them will likely change before | |
44 | 5.15.3. It's currently functions whose prototypes match /^[\$_]+;?\z/. | |
45 | ||
63ac71b9 | 46 | =head1 Security |
0afed34d | 47 | |
63ac71b9 RS |
48 | XXX Any security-related notices go here. In particular, any security |
49 | vulnerabilities closed should be noted here rather than in the | |
50 | L</Selected Bug Fixes> section. | |
135c0b08 | 51 | |
63ac71b9 | 52 | [ List each security issue as a =head2 entry ] |
135c0b08 | 53 | |
5438d4b8 | 54 | =head1 Incompatible Changes |
7818c927 | 55 | |
5d1892be | 56 | =head2 User-defined case changing operations. |
7b2b001e | 57 | |
5d1892be KW |
58 | This feature was deprecated in Perl 5.14, and has now been removed. |
59 | The CPAN module L<Unicode::Casing> provides better functionality without | |
60 | the drawbacks that this feature had, as are detailed in the 5.14 | |
61 | documentation: | |
62 | L<http://perldoc.perl.org/5.14.0/perlunicode.html#User-Defined-Case-Mappings-%28for-serious-hackers-only%29> | |
bdb9ba77 | 63 | |
7ec04da5 S |
64 | =head2 XSUBs are now 'static' |
65 | ||
66 | XSUB C functions are now 'static', that is, they are not visible from | |
67 | outside the compilation unit. For the exceedingly rare case where | |
68 | this is not desired, a new public macro C<XS_EXTERNAL(name)> can be | |
69 | used in place of C<XS(name)>. C<ExtUtils::ParseXS> (C<xsubpp>) | |
70 | can be made to declare XSUBs with C<XS_EXTERNAL> using the | |
71 | C<EXPORT_XSUB_SYMBOLS> keyword, see L<perlxs> for details. | |
72 | ||
63ac71b9 | 73 | =head1 Deprecations |
760696b8 | 74 | |
63ac71b9 RS |
75 | XXX Any deprecated features, syntax, modules etc. should be listed here. |
76 | In particular, deprecated modules should be listed here even if they are | |
77 | listed as an updated module in the L</Modules and Pragmata> section. | |
760696b8 | 78 | |
63ac71b9 | 79 | [ List each deprecation as a =head2 entry ] |
760696b8 | 80 | |
63ac71b9 | 81 | =head1 Performance Enhancements |
115ff745 | 82 | |
63ac71b9 RS |
83 | XXX Changes which enhance performance without changing behaviour go here. There |
84 | may well be none in a stable release. | |
115ff745 | 85 | |
63ac71b9 | 86 | [ List each enhancement as a =item entry ] |
115ff745 | 87 | |
63ac71b9 | 88 | =over 4 |
4ea805df CBW |
89 | |
90 | =item * | |
91 | ||
63ac71b9 | 92 | XXX |
1ba7a2fb | 93 | |
63ac71b9 | 94 | =back |
730e5b5b | 95 | |
63ac71b9 | 96 | =head1 Modules and Pragmata |
730e5b5b | 97 | |
63ac71b9 RS |
98 | XXX All changes to installed files in F<cpan/>, F<dist/>, F<ext/> and F<lib/> |
99 | go here. If Module::CoreList is updated, generate an initial draft of the | |
100 | following sections using F<Porting/corelist-perldelta.pl>, which prints stub | |
101 | entries to STDOUT. Results can be pasted in place of the '=head2' entries | |
102 | below. A paragraph summary for important changes should then be added by hand. | |
103 | In an ideal world, dual-life modules would have a F<Changes> file that could be | |
104 | cribbed. | |
730e5b5b | 105 | |
63ac71b9 | 106 | [ Within each section, list entries as a =item entry ] |
730e5b5b | 107 | |
63ac71b9 | 108 | =head2 New Modules and Pragmata |
a30cae0b | 109 | |
63ac71b9 | 110 | =over 4 |
a30cae0b CBW |
111 | |
112 | =item * | |
113 | ||
63ac71b9 | 114 | XXX |
bbc28bfc | 115 | |
63ac71b9 | 116 | =back |
bbc28bfc | 117 | |
63ac71b9 | 118 | =head2 Updated Modules and Pragmata |
e46d9735 | 119 | |
63ac71b9 | 120 | =over 4 |
e46d9735 CBW |
121 | |
122 | =item * | |
123 | ||
aefcd4a2 | 124 | L<Archive::Extract> has been upgraded from version 0.52 to version 0.56 |
4afdee4c CBW |
125 | |
126 | Resolved an issue where C<unzip> executable was present in C<PATH> on MSWin32 | |
57126352 | 127 | |
d93f0209 FC |
128 | =item * |
129 | ||
d2006265 FC |
130 | L<diagnostics> has been upgraded from version 1.24 to 1.25. |
131 | ||
132 | It now strips out C<SZ<><...>> formatting codes before displaying | |
133 | descriptions [perl #94488]. | |
134 | ||
135 | =item * | |
136 | ||
d93f0209 FC |
137 | L<Math::BigRat> has been upgraded from version 0.2602 to 0.2603. |
138 | ||
139 | C<int()> on a Math::BigRat object containing -1/2 now creates a | |
140 | Math::BigInt containing 0, rather than -0. L<Math::BigInt> does not even | |
141 | support negative zero, so the resulting object was actually malformed | |
142 | [perl #95530]. | |
143 | ||
60527824 FR |
144 | =item * |
145 | ||
146 | L<Pod::Simple> has been upgraded from version 3.18 to 3.19. | |
147 | ||
63ac71b9 | 148 | =back |
259925f6 | 149 | |
63ac71b9 | 150 | =head2 Removed Modules and Pragmata |
6252d2e2 | 151 | |
63ac71b9 | 152 | =over 4 |
9840cdee CBW |
153 | |
154 | =item * | |
155 | ||
63ac71b9 | 156 | XXX |
54e02335 | 157 | |
63ac71b9 | 158 | =back |
310913d4 | 159 | |
63ac71b9 | 160 | =head1 Documentation |
310913d4 | 161 | |
63ac71b9 RS |
162 | XXX Changes to files in F<pod/> go here. Consider grouping entries by |
163 | file and be sure to link to the appropriate page, e.g. L<perlfunc>. | |
7b2b001e | 164 | |
63ac71b9 | 165 | =head2 New Documentation |
7b2b001e | 166 | |
63ac71b9 | 167 | XXX Changes which create B<new> files in F<pod/> go here. |
7b2b001e | 168 | |
63ac71b9 | 169 | =head3 L<XXX> |
2df9265e | 170 | |
63ac71b9 | 171 | XXX Description of the purpose of the new file here |
2df9265e | 172 | |
63ac71b9 | 173 | =head2 Changes to Existing Documentation |
2df9265e | 174 | |
63ac71b9 RS |
175 | XXX Changes which significantly change existing files in F<pod/> go here. |
176 | However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics> | |
177 | section. | |
dc80b0c6 | 178 | |
63ac71b9 | 179 | =head3 L<XXX> |
dc80b0c6 | 180 | |
63ac71b9 | 181 | =over 4 |
83b32788 CBW |
182 | |
183 | =item * | |
184 | ||
63ac71b9 | 185 | XXX Description of the change here |
4eb81ef2 | 186 | |
63ac71b9 | 187 | =back |
4eb81ef2 | 188 | |
63ac71b9 | 189 | =head1 Diagnostics |
4eb81ef2 | 190 | |
63ac71b9 RS |
191 | The following additions or changes have been made to diagnostic output, |
192 | including warnings and fatal error messages. For the complete list of | |
193 | diagnostic messages, see L<perldiag>. | |
82eefd8a | 194 | |
63ac71b9 RS |
195 | XXX New or changed warnings emitted by the core's C<C> code go here. Also |
196 | include any changes in L<perldiag> that reconcile it to the C<C> code. | |
82eefd8a | 197 | |
63ac71b9 RS |
198 | [ Within each section, list entries as a =item entry that links to perldiag, |
199 | e.g. | |
6252d2e2 | 200 | |
63ac71b9 | 201 | =item * |
6252d2e2 | 202 | |
63ac71b9 RS |
203 | L<Invalid version object|perldiag/"Invalid version object"> |
204 | ] | |
5213914c | 205 | |
63ac71b9 | 206 | =head2 New Diagnostics |
5213914c | 207 | |
63ac71b9 | 208 | XXX Newly added diagnostic messages go here |
5213914c | 209 | |
63ac71b9 | 210 | =head3 New Errors |
17609435 | 211 | |
63ac71b9 | 212 | =over 4 |
17609435 | 213 | |
69f26f52 CBW |
214 | =item * |
215 | ||
63ac71b9 | 216 | XXX L<message|perldiag/"message"> |
69f26f52 | 217 | |
5438d4b8 | 218 | =back |
77ccfaeb | 219 | |
63ac71b9 | 220 | =head3 New Warnings |
c69a30ec | 221 | |
63ac71b9 RS |
222 | =over 4 |
223 | ||
224 | =item * | |
7c420290 | 225 | |
63ac71b9 | 226 | XXX L<message|perldiag/"message"> |
7818c927 | 227 | |
63ac71b9 | 228 | =back |
7818c927 | 229 | |
63ac71b9 | 230 | =head2 Changes to Existing Diagnostics |
dd413713 | 231 | |
63ac71b9 | 232 | XXX Changes (i.e. rewording) of diagnostic messages go here |
7818c927 | 233 | |
5438d4b8 | 234 | =over 4 |
7818c927 FC |
235 | |
236 | =item * | |
237 | ||
63ac71b9 | 238 | XXX Describe change here |
5aeca1f7 | 239 | |
5438d4b8 | 240 | =back |
5aeca1f7 | 241 | |
63ac71b9 | 242 | =head1 Utility Changes |
0cb4637e | 243 | |
63ac71b9 RS |
244 | XXX Changes to installed programs such as F<perlbug> and F<xsubpp> go |
245 | here. Most of these are built within the directories F<utils> and F<x2p>. | |
0cb4637e | 246 | |
63ac71b9 RS |
247 | [ List utility changes as a =head3 entry for each utility and =item |
248 | entries for each change | |
249 | Use L<XXX> with program names to get proper documentation linking. ] | |
4abaf918 | 250 | |
63ac71b9 | 251 | =head3 L<XXX> |
4abaf918 | 252 | |
5438d4b8 | 253 | =over 4 |
4abaf918 Z |
254 | |
255 | =item * | |
256 | ||
63ac71b9 | 257 | XXX |
8b00e523 | 258 | |
e8e35311 FC |
259 | =back |
260 | ||
63ac71b9 | 261 | =head1 Configuration and Compilation |
b908e258 | 262 | |
63ac71b9 RS |
263 | XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools |
264 | go here. Any other changes to the Perl build process should be listed here. | |
265 | However, any platform-specific changes should be listed in the | |
266 | L</Platform Support> section, instead. | |
b908e258 | 267 | |
63ac71b9 | 268 | [ List changes as a =item entry ]. |
b908e258 | 269 | |
63ac71b9 | 270 | =over 4 |
71449ad0 DG |
271 | |
272 | =item * | |
273 | ||
5ecd28b8 NC |
274 | The file F<global.sym> is no longer needed, and has been removed. It |
275 | contained a list of all exported functions, one of the files generated by | |
276 | F<regen/embed.pl> from data in F<embed.fnc> and F<regen/opcodes>. The code | |
277 | has been refactored so that the only user of F<global.sym>, F<makedef.pl>, | |
278 | now reads F<embed.fnc> and F<regen/opcodes> directly, removing the need to | |
279 | store the list of exported functions in an intermediate file. | |
280 | ||
281 | As F<global.sym> was never installed, this change will not be visible | |
282 | outside the build process. | |
b908e258 | 283 | |
6693394d FC |
284 | =back |
285 | ||
63ac71b9 | 286 | =head1 Testing |
bbc28bfc | 287 | |
63ac71b9 RS |
288 | XXX Any significant changes to the testing of a freshly built perl should be |
289 | listed here. Changes which create B<new> files in F<t/> go here as do any | |
290 | large changes to the testing harness (e.g. when parallel testing was added). | |
291 | Changes to existing files in F<t/> aren't worth summarising, although the bugs | |
292 | that they represent may be covered elsewhere. | |
bbc28bfc | 293 | |
63ac71b9 | 294 | [ List each test improvement as a =item entry ] |
b7188eb5 | 295 | |
34dc2ec0 | 296 | =over 4 |
42a91c97 | 297 | |
6693394d | 298 | =item * |
42a91c97 | 299 | |
c752c500 FC |
300 | F<t/porting/globvar.t> has been added, to run a sanity check on F<globar.sym>. |
301 | F<globar.sym> is not needed on most *nix platforms, but is for Win32, hence | |
302 | previously was it was possible to inadvertently commit changes that worked | |
303 | perfectly locally, but broke the build on Win32. | |
310913d4 | 304 | |
d2006265 FC |
305 | =item * |
306 | ||
307 | F<t/op/unlink.t> has been added to test the C<unlink> function. | |
308 | ||
34dc2ec0 | 309 | =back |
42a91c97 | 310 | |
0890f1a5 | 311 | =head1 Platform Support |
975dff8c | 312 | |
63ac71b9 | 313 | XXX Any changes to platform support should be listed in the sections below. |
9cfd094e | 314 | |
63ac71b9 RS |
315 | [ Within the sections, list each platform as a =item entry with specific |
316 | changes as paragraphs below it. ] | |
9cfd094e | 317 | |
63ac71b9 | 318 | =head2 New Platforms |
9cfd094e | 319 | |
63ac71b9 RS |
320 | XXX List any platforms that this version of perl compiles on, that previous |
321 | versions did not. These will either be enabled by new files in the F<hints/> | |
322 | directories, or new subdirectories and F<README> files at the top level of the | |
323 | source tree. | |
7c4c6e7c | 324 | |
5438d4b8 | 325 | =over 4 |
95f7e41f | 326 | |
63ac71b9 | 327 | =item XXX-some-platform |
95f7e41f | 328 | |
63ac71b9 | 329 | XXX |
df5b44bd | 330 | |
63ac71b9 | 331 | =back |
310913d4 | 332 | |
63ac71b9 | 333 | =head2 Discontinued Platforms |
310913d4 | 334 | |
63ac71b9 | 335 | XXX List any platforms that this version of perl no longer compiles on. |
310913d4 | 336 | |
63ac71b9 RS |
337 | =over 4 |
338 | ||
339 | =item XXX-some-platform | |
340 | ||
341 | XXX | |
310913d4 | 342 | |
5438d4b8 | 343 | =back |
df5b44bd | 344 | |
63ac71b9 RS |
345 | =head2 Platform-Specific Notes |
346 | ||
347 | XXX List any changes for specific platforms. This could include configuration | |
348 | and compilation changes or changes in portability/compatibility. However, | |
349 | changes within modules for platforms should generally be listed in the | |
350 | L</Modules and Pragmata> section. | |
e22e289d | 351 | |
5438d4b8 | 352 | =over 4 |
7818c927 | 353 | |
63ac71b9 | 354 | =item XXX-some-platform |
7818c927 | 355 | |
63ac71b9 | 356 | XXX |
f79aa60b | 357 | |
63ac71b9 | 358 | =back |
7818c927 | 359 | |
63ac71b9 | 360 | =head1 Internal Changes |
3fdd840f | 361 | |
63ac71b9 RS |
362 | XXX Changes which affect the interface available to C<XS> code go here. |
363 | Other significant internal changes for future core maintainers should | |
364 | be noted as well. | |
3fdd840f | 365 | |
63ac71b9 | 366 | [ List each change as a =item entry ] |
7ffa7e75 | 367 | |
63ac71b9 | 368 | =over 4 |
7ffa7e75 | 369 | |
862b2c43 FC |
370 | =item * |
371 | ||
63ac71b9 | 372 | XXX |
862b2c43 | 373 | |
63ac71b9 | 374 | =back |
c973bd4f | 375 | |
63ac71b9 | 376 | =head1 Selected Bug Fixes |
a6cefd81 | 377 | |
63ac71b9 RS |
378 | XXX Important bug fixes in the core language are summarised here. |
379 | Bug fixes in files in F<ext/> and F<lib/> are best summarised in | |
380 | L</Modules and Pragmata>. | |
a6cefd81 | 381 | |
63ac71b9 | 382 | [ List each fix as a =item entry ] |
c4499eff | 383 | |
63ac71b9 | 384 | =over 4 |
c4499eff | 385 | |
bbc28bfc FC |
386 | =item * |
387 | ||
d2006265 FC |
388 | In Perl 5.15.0 C<defined(${'$'})> stopped returning true if the C<$$> |
389 | variable had not been used yet. This has been fixed. | |
390 | ||
391 | =item * | |
392 | ||
393 | Perl 5.10.0 introduced a similar bug: C<defined(*{"foo"})> where "foo" | |
394 | represents the name of a built-in global variable used to return false if | |
395 | the variable had never been used before, but only on the I<first> call. | |
396 | This, too, has been fixed. | |
397 | ||
398 | =item * | |
399 | ||
400 | Various functions that take a filehandle argument in rvalue context | |
401 | (C<close>, C<readline>, etc.) used to call C<FETCH> multiple times, if it | |
402 | was a tied variable, and warn twice, if it was C<undef> [perl #97482]. | |
403 | ||
404 | =item * | |
405 | ||
406 | C<close> and similar filehandle functions, when called on built-in global | |
407 | variables (like C<$+>), used to die if the variable happened to hold the | |
408 | undefined value, instead of producing the usual "Use of uninitialized | |
409 | value" warning. | |
410 | ||
411 | =item * | |
412 | ||
413 | When autovivified file handles were introduced in Perl 5.6.0, C<readline> | |
414 | was inadvertently made to autovivify when called as C<readline($foo)> (but | |
415 | not as C<< <$foo> >>). It has now been fixed never to autovivify. | |
416 | ||
417 | =item * | |
418 | ||
419 | C<defined ${ $tied_variable }> used to call C<FETCH> multiple times, but | |
420 | now calls it just once. | |
421 | ||
422 | =item * | |
423 | ||
424 | Some cases of dereferencing a complex expression, such as | |
425 | C<${ (), $tied } = 1>, used to call C<FETCH> multiple times, but now call | |
426 | it once. | |
427 | ||
428 | =item * | |
429 | ||
430 | For a tied variable returning a package name, C<< $tied->method >> used to | |
431 | call C<FETCH> multiple times (even up to six!), and sometimes would | |
432 | fail to call the method, due to memory corruption. | |
433 | ||
434 | =item * | |
435 | ||
436 | Calling an undefined anonymous subroutine (e.g., what $x holds after | |
437 | C<undef &{$x = sub{}}>) used to cause a "Not a CODE reference" error, which | |
438 | has been corrected to "Undefined subroutine called" [perl #71154]. | |
bbc28bfc | 439 | |
e1a80902 FC |
440 | =item * |
441 | ||
442 | Causing C<@DB::args> to be freed between uses of C<caller> no longer | |
443 | results in a crash [perl #93320]. | |
444 | ||
fdd313f4 FC |
445 | =item * |
446 | ||
447 | Since 5.6.0, C<*{ ... }> has been inconsistent in how it treats undefined | |
448 | values. It would die in strict mode or lvalue context for most undefined | |
449 | values, but would be treated as the empty string (with a warning) for the | |
450 | specific scalar return by C<undef()> (C<&PL_sv_undef> internally). This | |
451 | has been corrected. C<undef()> is now treated like other undefined | |
452 | scalars, as in Perl 5.005. | |
453 | ||
01433346 FC |
454 | =item * |
455 | ||
456 | It used to be possible to free the typeglob of a localised array or hash | |
457 | (e.g., C<local @{"x"}; delete $::{x}>), resulting in a crash on scope exit. | |
458 | ||
63ac71b9 | 459 | =back |
bbc28bfc | 460 | |
63ac71b9 | 461 | =head1 Known Problems |
bbc28bfc | 462 | |
63ac71b9 RS |
463 | XXX Descriptions of platform agnostic bugs we know we can't fix go here. Any |
464 | tests that had to be C<TODO>ed for the release would be noted here, unless | |
465 | they were specific to a particular platform (see below). | |
bbc28bfc | 466 | |
63ac71b9 RS |
467 | This is a list of some significant unfixed bugs, which are regressions |
468 | from either 5.XXX.XXX or 5.XXX.XXX. | |
bbc28bfc | 469 | |
63ac71b9 | 470 | [ List each fix as a =item entry ] |
bbc28bfc | 471 | |
63ac71b9 | 472 | =over 4 |
bbc28bfc | 473 | |
bad4ae38 FC |
474 | =item * |
475 | ||
63ac71b9 | 476 | XXX |
bad4ae38 | 477 | |
63ac71b9 | 478 | =back |
ab6ce8ea | 479 | |
63ac71b9 | 480 | =head1 Obituary |
ab6ce8ea | 481 | |
63ac71b9 RS |
482 | XXX If any significant core contributor has died, we've added a short obituary |
483 | here. | |
c62f68e3 | 484 | |
44691e6f AB |
485 | =head1 Acknowledgements |
486 | ||
63ac71b9 RS |
487 | XXX Generate this with: |
488 | ||
489 | perl Porting/acknowledgements.pl v5.15.2..HEAD | |
29cf780c | 490 | |
44691e6f AB |
491 | =head1 Reporting Bugs |
492 | ||
493 | If you find what you think is a bug, you might check the articles | |
34dc2ec0 | 494 | recently posted to the comp.lang.perl.misc newsgroup and the perl |
44691e6f AB |
495 | bug database at http://rt.perl.org/perlbug/ . There may also be |
496 | information at http://www.perl.org/ , the Perl Home Page. | |
497 | ||
498 | If you believe you have an unreported bug, please run the L<perlbug> | |
499 | program included with your release. Be sure to trim your bug down | |
500 | to a tiny but sufficient test case. Your bug report, along with the | |
501 | output of C<perl -V>, will be sent off to perlbug@perl.org to be | |
502 | analysed by the Perl porting team. | |
503 | ||
504 | If the bug you are reporting has security implications, which make it | |
505 | inappropriate to send to a publicly archived mailing list, then please send | |
34dc2ec0 | 506 | it to perl5-security-report@perl.org. This points to a closed subscription |
b4707b2a FC |
507 | unarchived mailing list, which includes |
508 | all the core committers, who will be able | |
44691e6f AB |
509 | to help assess the impact of issues, figure out a resolution, and help |
510 | co-ordinate the release of patches to mitigate or fix the problem across all | |
34dc2ec0 DM |
511 | platforms on which Perl is supported. Please only use this address for |
512 | security issues in the Perl core, not for modules independently | |
44691e6f AB |
513 | distributed on CPAN. |
514 | ||
515 | =head1 SEE ALSO | |
516 | ||
517 | The F<Changes> file for an explanation of how to view exhaustive details | |
518 | on what changed. | |
519 | ||
520 | The F<INSTALL> file for how to build Perl. | |
521 | ||
522 | The F<README> file for general stuff. | |
523 | ||
524 | The F<Artistic> and F<Copying> files for copyright information. | |
525 | ||
526 | =cut |