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FeedWordPress / 2009.0612
FeedWordPress v2009.0612
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1 FeedWordPress Change Log
2 ========================
3
4 Changes from 2008.1214 to 2009.0612
5 -----------------------------------
6 * WORDPRESS 2.8 COMPATIBILITY: FeedWordPress 2009.0612 has been tested for
7 compatibility with the recent version 2.8 release of WordPress.
8
9 * INTERFACE RESTRUCTURING: In order to avoid settings posts from becoming
10 too crowded, and to modularize and better organize the user interface,
11 new "Posts" and "Categories & Tags" subpages have been created under the
12 "Syndication" menu. "Posts" controls settings for individal syndicated
13 posts (such as publication status, comment and ping status, whether or
14 not to use the original location of the post as the permalink, whether
15 or not to expose posts to formatting filters, and so on). "Categories &
16 Tags" controls settings for assigning new syndicated posts to categories
17 and tags, such as categories or tags to apply to all syndicated posts,
18 and how to handle categories that do not yet exist in the WordPress
19 database. These subpages, like the Authors subpage, handle settings for
20 the global default level and for individual syndicated feeds.
21
22 Corresponding to these new subpages, the old Syndication Settings and
23 Feed Settings subpages have been cleaned up and simplified, and now only
24 link to the appropriate subpages for options that can be set in the
25 Posts, Authors, or Categories & Tags subpages.
26
27 * FEATURE: ADD CUSTOM SETTINGS TO EACH SYNDICATED POST: FeedWordPress has
28 long had an interface for creating custom settings for each syndicated
29 *feed* which could be retrieved in templates using the `get_feed_meta()`
30 template function. But it had no feature for adding custom fields to
31 each individual syndicated *post*. In response to requests from users, I
32 have added the ability to apply custom fields to each individual
33 syndicated post, using the new Syndication --> Posts subpage. You can
34 set up custom fields to be applied to every syndicated post, or custom
35 fields to be applied to syndicated posts from a particular feed.
36
37 * FEATURE: MAGPIERSS VERSION CHECK AND UPGRADE: FeedWordPress will attempt
38 to determine whether or not you are using the upgraded version of
39 MagpieRSS that comes packaged with FeedWordPress. If not, it will throw
40 an error on admin pages, and, if you are a site administrator, it will
41 give you the option to ignore the error message, or to attempt an
42 automatic upgrade (using a native file copy). If the file copy fails,
43 FeedWordPress will offer some guidance on how to perform the upgrade
44 manually.
45
46 * BLANK POSTS PROBLEM NO LONGER OCCURS WITH OLD & BUSTED MAGPIERSS: Due
47 to the fact that I relied on a content normalization that occurs in my
48 upgraded version of MagpieRSS, but not in the old & busted version of
49 MagpieRSS that ships with WordPress, until this version, if you tried to
50 syndicate an Atom feed without having performed the (*strongly
51 recommended*) MagpieRSS upgrade, all of the posts would come up with
52 completely blank contents. That's not because MagpieRSS couldn't read
53 the data, but rather because the new Magpie version puts that data in a
54 location where the old version doesn't, and I was only looking in that
55 newer location. Now it checks for both, meaning that posts will continue
56 to display their contents even if you don't upgrade MagpieRSS. (But you
57 **really should** upgrade it, anyway.)
58
59 * BUGFIX: RELATIVE URI RESOLUTION FOR POST CONTENT RESTORED. Some time
60 back, I added support for resolving relative URIs against xml:base on
61 feeds that support it to the MagpieRSS upgrade in FeedWordPress. Then I
62 took out code that did the same thing from the main FeedWordPress code.
63 Of course, the problem is that some people, even though it is clearly
64 stupid or evil to do so, still include relative URIs for images or links
65 in posts on feed formats that do *not* adequately support xml:base
66 (notably, RSS 2.0 feeds). In response to a user request, I have added
67 this functionality back in, so that MagpieRSS will resolve any relative
68 URIs that it knows how to resolve using xml:base, and then FeedWordPress
69 will attempt to resolve any relative URIs that are left over afterwards.
70
71 * BUGFIX: INTERFACE OPTION FOR SETTING SYNDICATED POST PUBLICATION STATUS
72 ON A FEED-BY-FEED BASIS HAS BEEN RESTORED: Due to a version-checking
73 bug, users of WordPress 2.7.x lost an option from the "Edit a syndicated
74 feed" interface which allowed them to determine whether newly syndicated
75 posts should be published immediately, held as "Pending Review," saved
76 as drafts, or saved as private posts. (The option to change this
77 setting globally remained in place, but users could no longer set it on
78 a feed-by-feed basis.) The version-checking bug has been fixed, and the
79 option has been restored.
80
81 * BUGFIX: "ARE YOU SURE?" FATAL ERROR ELIMINATED AND SECURITY IMPROVED:
82 Under certain circumstances (for example, when users have configured
83 their browser or proxy not to send HTTP Referer headers, for privacy or
84 other reasons), many features in the FeedWordPress administrative
85 interface (such as adding new feeds or changing settings) would hit a
86 fatal error, displaying only a cryptic message reading "Are you sure?"
87 and a blank page following it. This problem has been eliminated by
88 taking advantage of WordPress's nonce functions, which allow the
89 security check which ran into this error to work properly even without
90 receiving an HTTP Referer header. (N.B.: WordPress's nonce functions
91 were first introduced in WordPress 2.0.3. If you're using FeedWordPress
92 with an older version of WordPress, there's no fix for this problem:
93 you'll just need to turn Referer headers back on. Sorry.)
94
95 * BUGFIX: MANUALLY-ALTERED POST STATUS, COMMENT STATUS, AND PING STATUS NO
96 LONGER REVERTED BY POST UPDATES: If you manually altered the post status,
97 comment status, or ping status of a syndicated post from what it was set
98 to when first syndicated -- for example, if you had a feed that was set
99 to bring in new posts as "Pending Review," and you then marked some of
100 the pending posts as "Published" and others as "Unpublished" -- then
101 in previous versions of FeedWordPress, these manual changes to the
102 status would be lost -- so that, for example, your Published or Unpublished
103 articles would revert to Pending Review -- if the source feed made any
104 upates to the item. This could make the Pending Review feature both
105 unreliable and also extremely frustrating to work with. The good news is
106 that this bug has since been fixed: if you manually update the status
107 of a post, it will no longer be reverted if or when the post is updated.
108
109 * BUGFIX: OCCASIONAL FATAL ERROR ON UPDATE ELIMINATED: Under certain
110 limited conditions (specifically, when both the title and the content of
111 a post to be updated are empty), an attempt to update the post would
112 result in a fatal error. This has been fixed.
113
114 * INTERFACE: "CONFIGURE SETTINGS" CONVENIENCE LINK ADDED TO CONFIRMATION
115 MESSAGE WHEN A NEW FEED IS ADDED: When you add a new subscription to
116 FeedWordPress, the message box that appears to confirm it now includes a
117 handy link to the feed's settings subpage, so that you can quickly set
118 up any special settings you may want to set up for the new feed, without
119 having to hunt through the list of all your other subscriptions to pick
120 out the new one.
121
122 * INTERFACE: SIMPLIFYING AND CLARIFYING AUTOMATIC UPDATES SETTINGS. I have
123 removed an interval setting for the cronless automatic updates which has
124 confused many FeedWordPress users. In past versions of FWP, when you
125 turned on automatic updates, you would be presented with a time interval
126 setting which controlled how often FeedWordPress would check for feeds
127 ready to be polled for updates. (That is, it DID NOT control how often
128 feeds *would be polled*; it controlled how often FeedWordPress would
129 *check* for feeds that *had become ready to poll*. The schedule on which
130 feeds became ready for polling was still controlled either by requests
131 encoded in elements within the feed itself, or else according to an
132 internal calculation within FeedWordPress, averaging out to about 1 hour,
133 if the feed did not include any scheduling request elements.) Since many
134 users very often (and understandably) confused the purpose of this
135 setting, and since the setting is for a feature that's actually very
136 unlikely to require any manual control by the user, I have removed the
137 setting; FeedWordPress now simply uses the default value of checking for
138 feeds to poll every 10 minutes.
139
140 * FEEDFINDER PERFORMANCE IMPROVEMENT: FeedWordPress's FeedFinder class
141 now uses `array_unique()` to make sure that it doesn't waste time
142 repeatedly iterating over and polling the same URI. Props to Camilo
143 (<http://projects.radgeek.com/2008/12/14/feedwordpress-20081214/#comment-20090122160414>).
144
145 Changes from 2008.1105 to 2008.1214
146 -----------------------------------
147
148 * WORDPRESS 2.7 COMPATIBILITY: FeedWordPress has been tested for
149 compatibility with the newly released WordPress 2.7. WordPress 2.7 has
150 deprecated the Snoopy library for HTTP requests, which caused a fatal
151 error for users who had not installed the MagpieRSS upgrade (or whose
152 installation of the MagpieRSS upgrade was overwritten by a recent update
153 of WordPress). FeedWordPress now handles things gracefully when Snoopy
154 is not immediately available.
155
156 * INTERFACE SPIFFED UP: Interface elements have been updated so that
157 FeedWordPress's management interface fits in more naturally with the
158 WordPress 2.7 interface (including a new logo and a number of small
159 interface tweaks).
160
161 * BUG WITH TAGS FOR SYNDICATED ARTICLES FIXED: Several users encountered a
162 bug with the option to add tags to all syndicated posts under
163 Syndication --> Settings -- if you told FeedWordPress to add more than
164 one tag to all syndicated posts, instead of doing so correctly, it would
165 add a *single* tag instead, whose name was composed of the names of all
166 the tags you asked it to add. This bug was the result of nothing more
167 dignified than a typographical error on my part. It has now been fixed.
168
169 * MORE INFORMATION AVAILABLE WHEN FEEDWORDPRESS CAN'T FIND A FEED: When
170 you enter a URL for a new syndication source, FeedWordPress uses a
171 simple feed-finding algorithm (originally based on Mark Pilgrim's
172 Universal Feed Finder) to try to determine whether the URL is the URL
173 for a feed, or, if the URL points to an ordinary website rather than to
174 a feed, whether there is a feed for that website. All well and good, but
175 if FeedWordPress failed to find a feed, for whatever reason, it would
176 typically return nothing more than a nasty little note to the effect of
177 "no feed found," without any explanation of what went wrong.
178 FeedWordPress now keeps track of error conditions from the HTTP
179 requests that it uses in the course of looking for the feed, and so may
180 be able to give you a bit more information about the nature of the
181 problem if something goes wrong.
182
183
184 Changes from 2008.1101 to 2008.1105
185 -----------------------------------
186
187 * INTERFACE RESTRUCTURING AND SYNDICATION --> AUTHORS PAGE: As a first
188 step towards modularizing and better organizing the user interface, a
189 new "Authors" subpage has been created under the Syndication menu, which
190 controls settings for syndicated authors, both at the global default
191 level and at level of individual syndicated feeds.
192
193 * BUG RELATED TO THE ATTRIBUTION OF POSTS TO THE WRONG AUTHOR FIXED: Some
194 users encountered an issue in which posts by different authors on
195 different blogs -- especially blogs generated by Blogger -- were
196 mistakenly attributed to a single author. The problem was caused by the
197 way in which FeedWordPress matches syndicated authors to user accounts
198 in the WordPress database: normally, if two feeds each list an author
199 with the same e-mail address, they are counted as being the same person.
200 Normally this works well, but it creates an issue in cases where
201 blogging software assigns a single anonymous e-mail address to users who
202 do not want their real e-mail address published. This is, for example,
203 what Blogger does (by giving all users a default e-mail address of
204 <noreply@blogger.com> if they don't want their own e-mail address
205 listed). FeedWordPress now allows the user to correct for this problem
206 with a couple of new settings under **Syndication --> Authors**, which
207 allow users to turn off e-mail based author matching for particular
208 addresses, or, if desired, to turn it off entirely. By default, e-mail
209 based author matching is still turned on, but disabled for a list of
210 known generic e-mail addresses. Right now, the "list" consists entirely
211 of <noreply@blogger.com>; if you know other addresses that should be
212 added, please [contact me](http://radgeek.com/contact) to let me know.
213
214 Please note that if you have already encountered this issue on your
215 blog, upgrading FeedWordPress will prevent it from re-occurring in the
216 future, but you still need to do two other things to fix the existing
217 problem on your blog.
218
219 First, for each feed where posts have been mis-attributed, you need to
220 change the existing author mapping rules to re-map a a syndicated
221 author's name to the proper target account. Go to **Syndication -->
222 Authors**, select the feed you want to change from the drop-down list,
223 and then change the settings under the "Syndicated Authors" section.
224 (You will probably need to select "will be assigned to a new user..." to
225 create a new user account with the appropriate name.)
226
227 Second, for each feed where posts have been mis-attributed, you need to
228 re-assign already-syndicated posts that were mis-attributed to the
229 correct author. You can do that from **Syndication --> Authors** by
230 using the author re-assignment feature, described below.
231
232 * AUTHOR RE-ASSIGNMENT FOR A PARTICULAR FEED: The author settings page
233 for each syndicated feed, under **Syndication --> Authors**, now
234 includes an section titled "Fixing mis-matched authors," which provides
235 an interface for re-assigning or deleting all posts attributed to a
236 particular author on a particular feed.
237
238 * SUPPORT FOR `<atom:source>` ELEMENT IN SYNDICATED FEEDS: Some feeds
239 (for example, those produced by FeedWordPress) aggregate content from
240 several different sources, and include information about the original
241 source of the post in an `<atom:source>` element. A new setting under
242 **Syndication --> Options** allows you to control what FeedWordPress
243 will report as the source of posts syndicated from aggregator feeds in
244 your templates and feeds: you can have FeedWordPress report that the
245 source of a post is the aggregator feed itself, or you can have it
246 report that the source of a post is the original source that the
247 aggregator originally syndicated the post from.
248
249 By default, FeedWordPress will report the aggregator, not the original
250 source, as the source of a syndicated item.
251
252 * LOAD BALANCING AND TIME LIMITING FEATURES FOR UPDATES: Some users have
253 encountered issues due to running up against PHP execution time limits
254 during the process of updating large syndicated feeds, or a very large
255 set of syndicated feeds. FeedWordPress now has a feature that allows you
256 to limit the total amount of time spent updating a feed, through the
257 "Time limit on updates" setting under **Syndication --> Options**. By
258 turning on this setting and adjusting the time limit to a low enough
259 figure to avoid your PHP installation's time-out setting. (PHP execution
260 time limits are usually in the vicinity of 30 seconds, so an update
261 time limit of 25 seconds or so should provide plenty of time for updates
262 while allowing a cushion of time for other, non-update-related functions
263 to do their work.)
264
265 If feed updates are interrupted by the time limit, FeedWordPress uses
266 some simple load balancing features to make sure that updates to other
267 feeds will not be blocked by the time-hogging feed, and will also make
268 sure that when the interrupted update is resumed, FeedWordPress will
269 skip ahead to resume processing items at the point at which it was
270 interrupted last time, so that posts further down in the feed will
271 eventually get processed, and not get blocked by the amount of time it
272 takes to process the items higher up in the feed.
273
274 * `guid` INDEX CREATION BUTTON: FeedWordPress frequently issues queries on
275 the `guid` column of the WordPress posts database (since it uses post
276 guid URIs to keep track of which posts it has syndicated). In very large
277 FeedWordPress installations, you can often significantly improve
278 performance by creating a database index on the `guid` column, but
279 normally you would need to poke around with MySQL or a tool like
280 phpMyAdmin to do this. FeedWordPress can now save you the trouble: to
281 create an index on the `guid` column, just go to
282 **Syndication --> Options**, and mash the button at the bottom of the
283 "Back End" section.
284
285 Changes from 2008.1030 to 2008.1101
286 -----------------------------------
287
288 * INTERFACE BUG THAT PREVENTED ADDING NEW SITES FIXED: The UI reforms in
289 FWP 2008.1030 unintentionally introduced a bug that prevents clean
290 installations of FeedWordPress from providing an input box for adding
291 new feeds to the list of syndicated feeds. This bug has been fixed.
292
293 Changes from 0.993 to 2008.1030
294 -------------------------------
295
296 * WORDPRESS 2.6 COMPATIBILITY: FeedWordPress should now be compatible with
297 WordPress 2.6, and should work more or less seamlessly with the new post
298 revision system. A bug which caused multiple new revisions to be created
299 for posts on certain feeds, regardless of whether or not the item had
300 been updated, has been fixed.
301
302 * INTERFACE IMPROVEMENTS: The user interface has been substantially
303 restyled to fit in better with the visual style of WordPress 2.5 and
304 2.6.
305
306 * YOUTUBE BUG FIXED: POSTS SYNDICATED THROUGH AN AUTOMATIC UPDATE ARE NO
307 LONGER STRIPPED OF `<OBJECT>` TAGS AND CERTAIN OTHER HTML ELEMENTS: Due
308 to the way that some versions of WordPress process posts that are
309 inserted into the database when no user is logged in, many users
310 experienced an issue where YouTube videos and other content using the
311 HTML `<object>` tag would be stripped out of posts that were syndicated
312 during an automatic update. (Posts that were syndicated through manual
313 updates from within the WordPress Dashboard were not affected, because
314 the issue does not arise when an update is executed under a logged-in
315 administrator's credentials.) This bug has now been fixed; YouTube
316 videos and other content using `<object>` tags should now appear
317 properly in syndicated posts, regardless of the way in which the post
318 was syndicated.
319
320 * AJAX BUGS FIXED: Bugs which blocked the normal operation of WordPress
321 2.5's AJAX interface elements when FeedWordPress was activated have been
322 fixed.
323
324 * TAG SUPPORT: A couple of features have been introduced to take advantage
325 of the tagging features in WordPress 2.3.x, 2.5.x, and 2.6.x. Now, when
326 unfamiliar categories are encountered for posts on a feed, you can
327 choose for FeedWordPress (1) to drop the category; (2) to drop the
328 category and to filter out any post that does not match at least one
329 familiar category; (3) to create a new category with that name, or,
330 now, you can also have FeedWordPress (4) create a new *tag* with that
331 name. This option can be set site-wide under Syndication --> Options,
332 or it can be set on a feed-by-feed basis in a feed's Edit screen.
333
334 In addition, you can now set particular tags to apply to all incoming
335 syndicated posts, under Syndication --> Options, or you can set tags
336 to apply to all incoming syndicated posts from a particular feed in that
337 feed's Edit screen.
338
339 * FORMATTING FILTERS: There is a new option available under Syndication ->
340 Options which allows users to choose whether or not to expose syndicated
341 posts to being altered by formatting filters. By default, FeedWordPress
342 has always protected syndicated posts (which are already in display-ready
343 HTML when they are syndicated) from being reformatted by formatting
344 filters. However, this approach means that certain plugins which depend
345 on formatting filters (for example, to add "Share This" bars or relevant
346 links to the end of a post) are blocked from working on any syndicated
347 posts. If you want to use one of these plugins together with
348 FeedWordPress, you can now do so by changing the "Formatting Filters"
349 setting from "Protect" to "Expose."
350
351 * `<atom:source>` ELEMENTS NOW INCLUDED IN ATOM FEED: Atom 1.0 provides
352 a standard method for aggregators to indicate information about the original source of
353 a syndicated post, using the `<atom:source>` element. FeedWordPress now
354 introduces standard `<atom:source>` elements including the title, homepage, and
355 feed URI of the source from which a syndicated post was syndicated. Cf.
356 <http://www.atomenabled.org/developers/syndication/atom-format-spec.php#element.source>
357
358 * MODULARIZATION OF CODE: The code for different elements of FeedWordPress
359 has been broken out into several modules for easier inspection,
360 documentation, and maintenance of the code.
361
362 * VERSIONING SCHEME CHANGED: FeedWordPress's feature set has proven stable
363 enough that it can now be removed from beta status; a good thing, since
364 I was very quickly running out of version numbers to use. New releases
365 of FeedWordPress will have version numbers based on the date of their
366 release.
367
368 Changes from 0.992 to 0.993
369 ---------------------------
370
371 * WORDPRESS 2.5.1 COMPATIBILITY: FeedWordPress should now be compatible
372 with WordPress 2.5.1.
373
374 * WORDPRESS 2.5 INTERFACE IMPROVEMENTS: FeedWordPress's Dashboard
375 interface has undergone several cosmetic changes that should help it
376 integrate better with the WordPress Dashboard interface in WordPress
377 version 2.5.x.
378
379 * SYNDICATED POSTS CAN BE MARKED AS "PENDING REVIEW": WordPress 2.3 users
380 can now take advantage of WordPress's new "Pending Review" features for
381 incoming syndicated posts. Posts marked as "Pending Review" are not
382 published immediately, but are marked as ready to be reviewed by an
383 Administrator or Editor, who can then choose to publish the post or
384 hold it back. If you want to review syndicated posts from a particular
385 feed, or from all feeds, before they are posted, then use
386 Syndication --> Syndicated Sites --> Edit or Syndication --> Options to
387 change the settings for handling new posts.
388
389 * AWARE OF NEW URI FOR del.icio.us FEEDS: Previous releases of
390 FeedWordPress already automatically split del.icio.us tags up
391 appropriately appropriately when generating categories. (del.icio.us
392 feeds smoosh all the tags into a single `<dc:subject>` element,
393 separated by spaces; FeedWordPress un-smooshes them into multiple
394 categories by separating them at whitespace.) Unfortunately, del.icio.us
395 recently broke the existing behavior by changing host names for their
396 feeds from del.icio.us to feeds.delicious.com. Version 0.993 accounts
397 for the new host name and un-breaks the tag splitting.
398
399 Changes from 0.991 to 0.992
400 ---------------------------
401 * AUTHOR RE-MAPPING: FeedWordPress now offers considerable control over
402 how author names on a feed are translated into usernames within the
403 WordPress database. When a post by an unrecognized author comes in,
404 Administrators can now specify any username as the default username to
405 assign the post to by setting the option in Syndication --> Options
406 (formerly FeedWordPress only allowed you to assign such posts to user
407 #1, the site administrator). Administrators can also create re-mapping
408 rules for particular feeds (under Syndication --> Syndicated Sites -->
409 Edit), so that (for example) any posts attributed to "Administrator"
410 on the feed <http://praxeology.net/blog/feed/> will be assigned to
411 a user named "Roderick T. Long," rather than a user named
412 "Administrator." These settings also allow administrators to filter out
413 posts by particular users, and to control what will happen when
414 FeedWordPress encounters a post by an unrecognized user on that
415 particular feed.
416
417 * BUG RELATED TO URIS CONTAINING AMPERSAND CHARACTERS FIXED: A bug in
418 WordPress 2.x's handling of URIs in Blogroll links created problems for
419 updating any feeds whose URIs included an ampersand character, such as
420 Google News RSS feeds and other feeds that have multiple parameters
421 passed through HTTP GET. If you experienced this bug, the most likely
422 effect was that FeedWordPress simply would not import new posts from a
423 feed when instructred to do so, returning a "0 new posts" response. In
424 other cases, it might lead to unpredictable results from feed updates,
425 such as importing posts which were not contained in the feed being
426 syndicated, but which did appear elsewhere on the same website. This bug
427 has, hopefully, been resolved, by correcting for the bug in WordPress.
428
429 Changes from 0.99 to 0.991
430 --------------------------
431 * WORDPRESS MU COMPATIBILITY: FeedWordPress should now be compatible with
432 recent releases of WordPress MU. Once FeedWordPress is made available
433 as a plugin, each individual blog can choose to activate FeedWordPress
434 and syndicate content from its own set of contributors.
435
436 * DISPLAY OF MAGPIE WARNINGS: A number of MagpieRSS warnings or error
437 messages that were displayed when performing an automatic update are
438 no longer displayed, unless debugging parameters have been explicitly
439 enabled.
440
441 * BUG RELATED TO INTERNATIONAL CHARACTERS IN AUTHOR NAMES FIXED: Due to a
442 subtle incompatability between the way that FeedWordPress generated new
443 user information, and the way that WordPress 2.0 and later added new
444 authors to the database, FeedWordPress might end up creating duplicate
445 authors, or throwing a critical error message, when it encountered
446 authors whose names included international characters. This
447 incompatability has now been fixed; hopefully, authors with
448 international characters in their names should now be handled properly.
449
450 * `<media:content>` BUG IN MAGPIERSS FIXED: A bug in MagpieRSS's handling
451 of namespaced elements has been fixed. Among other things, this bug
452 caused items containing a Yahoo MediaRSS `<media:content>` element (such
453 as many of the feeds produced by wordpress.com) to be represented
454 incorrectly, with only a capital "A" where the content of the post
455 should have been. Feeds containing `<media:content>` elements should now
456 be syndicated correctly.
457
458 * update_feedwordpress PARAMETER: You can now use an HTTP GET parameter
459 (`update_feedwordpress=1`) to request that FeedWordPress poll its feeds
460 for updates. When used together with a crontab or other means of
461 scheduling tasks, this means that you can keep your blog automatically
462 updated on a regular schedule, even if you do not choose to use the
463 cron-less automatic updates option.
464
465 * Some minor interface-related bugs were also fixed.
466
467
468 Changes from 0.981 to 0.99
469 --------------------------
470 Version 0.99 adds several significant new features, fixes some bugs, and
471 provides compatability with WordPress 2.2.x and 2.3.x.
472
473 * WORDPRESS 2.2 AND 2.3 COMPATIBILITY: FeedWordPress should now be
474 compatible with WordPress version 2.2 and the upcoming WordPress
475 version 2.3. In particular, it has been tested extensively against
476 WordPress 2.2.3 and WordPress 2.3 Release Candidate 1.
477
478 * AUTOMATIC UPDATES WITHOUT CRON: FeedWordPress now allows you to
479 automatically schedule checks for new posts without using external task
480 scheduling tools such as cron. In order to enable automatic updates, go
481 to **Syndication --> Options** and set "Check for new posts" to
482 "automatically." For details, see "Automatic Feed Updates" in
483 README.text.
484
485 An important side-effect of the changes to the update system is that if
486 you were previously using the cron job and the `update-feeds.php` script
487 to schedule updates, you need to change your cron set-up. The old
488 `update-feeds.php` script no longer exists. Instead, if you wish to use
489 a cron job to guarantee updates on a particular schedule, you should
490 have the cron job fetch the front page of your blog (for example, by
491 using `curl http://www.zyx.com/blog/ > /dev/null`) instead of activating
492 the `update-feeds.php` script. If automatic updates have been enabled,
493 fetching the front page will automatically trigger the update process.
494
495 * INTERFACE REORGANIZATION: All FeedWordPress functions are now located
496 under a top-level "Syndication" menu in the WordPress Dashboard. To
497 manage the list of syndicated sites, manually check for new posts on
498 one or more feeds, or syndicate a new site, you should use the main page
499 under **Syndication**. To change global settings for FeedWordPress,
500 you should use **Syndication --> Options**.
501
502 * FILE STRUCTURE REORGANIZATION: Due to a combination of changing styles
503 for FeedWordPress plugins and lingering bugs in the FeedWordPress admin
504 menu code, the code for FeedWordPress is now contained in two different
505 PHP files, which should be installed together in a subdirectory of your
506 plugins directory named `feedwordpress`. (See README.text for
507 installation and upgrade instructions relating to the change.)
508
509 * MULTIPLE CATEGORIES SETTING: Some feeds use non-standard methods to
510 indicate multiple categories within a single category element. (The most
511 popular site to do this is del.icio.us, which separates tags with a
512 space.) FeedWordPress now allows you to set an optional setting, for any
513 feed which does this, indicating the character or characters used to
514 divide multiple categories, using a Perl-compatible regular expression.
515 (In the case of del.icio.us feeds, FeedWordPress will automatically use
516 \s for the pattern without your having to do any further configuration.)
517 To turn this setting on, simply use the "Edit" link for the feed that
518 you want to turn it on for.
519
520 * REGULAR EXPRESSION BUG FIXED: Eliminated a minor bug in the regular
521 expressions for e-mail addresses (used in parsing RSS `author`
522 elements), which could produce unsightly error messages for some users
523 parsing RSS 2.0 feeds.
524
525 * DATE / UPDATE BUG FIXED: A bug in date handling was eliminated that may
526 have caused problems if any of (1) WordPress, or (2) PHP, or (3) your
527 web server, or (4) your MySQL server, has been set to use a different
528 time zone from the one that any of the others is set to use. If
529 FeedWordPress has not been properly updating updated posts, or has been
530 updating posts when there shouldn't be any changes for the update, this
531 release may solve that problem.
532
533 * GOOGLE READER BUGS FIXED: A couple of bugs that made it difficult for
534 FeedWordPress to interact with Google Reader public feeds have been
535 fixed. Firstly, if you encountered an error message reading "There was a
536 problem adding the newsfeed. [SQL: ]" when you tried to add the feed,
537 the cause of this error has been fixed. Secondly, if you succeeded in
538 getting FeedWordPress to check a Google Reader feed, only to find that
539 the title of posts had junk squashed on to the end of them, that bug
540 has been fixed too. To fix this bug, you must install the newest version
541 of the optional MagpieRSS upgrade.
542
543 * FILTER PARAMETERS: Due to an old, old bug in WordPress 1.5.0 (which was
544 what was available back when I first wrote the filter interface),
545 FeedWordPress has traditionally only passed one parameter to
546 syndicated_item and syndicated_post filters functions -- an array
547 containing either the Magpie representation of a syndicated item from
548 the feed, or the database representation of a post about to be inserted
549 into the WordPress database. If you needed information about the feed
550 that the item came from, this was accessible only through a pair of
551 global variables, $fwp_channel and $fwp_feedmeta.
552
553 Since it's been a pretty long time since WordPress 1.5.0 was in
554 widespread usage, I have gone ahead and added an optional second
555 parameter to the invocation of the syndicated_item and syndicated_post
556 filters. If you have written a filter for FeedWordPress that uses either
557 of these hooks, you can now register that filter to accept 2 parameters.
558 If you do so, the second parameter will be a SyndicatedPost object,
559 which, among other things, allows you to access information about the
560 feed from which an item is syndicated using the $post->feed and the
561 $post->feedmeta elements (where $post is the name of the second
562 parameter).
563
564 NOTE THAT THE OLD GLOBAL VARIABLES ARE STILL AVAILABLE, for the time
565 being at least, so existing filters will not break with the upgrade.
566 They should be considered deprecated, however, and may be eliminated in
567 the future.
568
569 * FILTER CHANGE / BUGFIX: the array that is passed as the first argument
570 syndicated_post filters no longer is no longer backslash-escaped for
571 MySQL when filters are called. This was originally a bug, or an
572 oversight; the contents of the array should only be escaped for the
573 database *after* they have gone through all filters. IF YOU HAVE WRITTEN
574 ANY syndicated_post FILTERS THAT PRESUME THE OLD BEHAVIOR OF PASSING IN
575 STRINGS THAT ARE ALREADY BACKSLASH-ESCAPED, UPDATE YOUR FILTERS
576 ACCORDINGLY.
577
578 * OTHER MINOR BUGFIXES AND INTERNAL CHANGES: The internal architecture of
579 FeedWordPress has been significantly changed to make the code more
580 modular and clean; hopefully this should help reduce the number of
581 compatibility updates that are needed, and make them easier and quicker
582 when they are needed.
583
584 Changes from 0.98 to 0.981
585 --------------------------
586 Version 0.981 is a narrowly targeted bugfix and compatibility release, whose
587 main purpose is to resolve a major outstanding problem: the incompatibility
588 between version 0.98 of WordPress and the recently released WordPress 2.1.
589
590 * WORDPRESS 2.1 COMPATIBILITY: FeedWordPress is now compatible with
591 WordPress 2.1, as well as retaining its existing support for WordPress
592 2.0 and 1.5. Incompatibilities that resulted in database warnings, fatal
593 errors, and which prevented FeedWordPress from syndicating new posts,
594 have been eliminated.
595
596 * RSS-FUNCTIONS.PHP RENAMED TO RSS.PHP: if you use the upgraded MagpieRSS
597 replacement that's included with FeedWordPress, be sure to note that
598 there are now *two* files to upload from the `OPTIONAL/wp-includes`
599 subdirectory in order to carry out the upgrade: rss-functions.php and
600 rss.php. **It is necessary to upload both files**, due to a change in
601 the file naming scheme in WordPress 2.1, and it is necessary to do so
602 whether you are using WordPress 2.1 or not. If you only upload the
603 `rss-functions.php` file as in previous installations you will not have
604 a working copy of MagpieRSS; the rss.php file contains the actual code.
605
606 * DATE BUG AFFECTING SOME PHP INSTALLATIONS RESOLVED: due to a subtle bug
607 in parse_w3cdtf(), some installations of PHP encountered problems with
608 FeedWordPress's attempt to date posts, which would cause some new posts
609 on Atom feeds to be dated as if they had apppeared in 1969 or 1970
610 (thus, effectively, never appearing on front page at all). This bug in
611 the date handling should now be fixed.
612
613 * PHP <?=...?> SHORT FORM ELIMINATED: some installations of PHP do not
614 allow the <?=...?> short form for printing PHP values, which was used
615 extensively in the FeedWordPress interface code. Since this could cause
616 fatal errors for users with the wrong installation of PHP, the short
617 form has been replaced with full PHP echo statements, and is no longer
618 used in FeedWordPress.
619
620 * BETTER USER INTERFACE INTEGRATION WITH WORDPRESS 2.x: Some minor changes
621 have been made to help the FeedWordPress interface pages blend in better
622 with the user interface when running under WordPress 2.x.
623
624 * GLOBAL CATEGORIES BUG RESOLVED: a bug that prevented some users from
625 setting one or more categories to apply to syndicated posts from all
626 feeds (using the checkbox interface under Options --> Syndication) has
627 been resolved.
628
629 Changes from 0.97 to 0.98
630 --------------------------
631
632 * WORDPRESS 2.0 COMPATIBILITY: This is a narrowly-targeted release to
633 solve a major outstanding problem. FeedWordPress is now compatible with
634 both WordPress 1.5 and WordPress 2.0. Incompatibilities that caused
635 fatal SQL errors, and a more subtle bug with off-kilter counts of posts
636 under a given category, have been resolved. FeedWordPress tests for
637 database schema using the global $wp_db_version variable (if null, then
638 we presume that we're dealing with WordPress 1.5).
639
640 NOTE: I have **not** fully tested FeedWordPress with WordPress 2.0.
641 Further testing may reveal more bugs. However, you should now be able
642 to get at least basic FeedWordPress functionality up and running.
643
644 * AUTHOR MATCHING: FeedWordPress tests several fields to see if it can
645 identify the author of the post as a user already in the WordPress user
646 database. In previous versions, it tested the user login, the nickname,
647 and tested for "aliases" listed in the Profile (see documentation). FWP
648 now also matches authors on the basis of e-mail address (*if* an e-mail
649 address is present). This is particularly helpful for formats such as
650 RSS 2.0, in which authors are primarily identified by e-mail addresses.
651
652 Changes from 0.96 to 0.97
653 -------------------------
654
655 * INSTALLATION PROCEDURE: Some of the changes between 0.96 and 0.97
656 require upgrades to the meta-data stored by FeedWordPress to work
657 properly. Thus, if you are upgrading from 0.96 or earlier to 0.97, most
658 FeedWordPress operations (including updates and template functions)
659 WILL BE DISABLED until you run the upgrade procedure. Fortunately,
660 running the upgrade procedure is easy: just go to either Options -->
661 Syndication or Links --> Syndicated in the WordPress Dashboard and press
662 the button.
663
664 * FEED FORMAT SUPPORT: Support has been added for the Atom 1.0 IETF
665 standard. Several other elements are also newly supported
666 (dcterms:created, dcterms:issued, dcterms:modified, dc:identifier,
667 proper support for the RSS 2.0 guid element, the RSS 2.0 author element,
668 the use of Atom author or Dublin Core dc:creator constructs at the feed
669 level to identify the author of individual items, etc.)
670
671 N.B.: full support of several Atom 1.0 features, such as categories
672 and enclosures, requires you to install the optional rss-functions.php
673 upgrade in your wp-includes directory.
674
675 * BUG FIX: Running `update-feeds.php` from command line or crontab
676 returned "I don't syndicate..." errors. It turns out that WordPress
677 sometimes tramples on the internal PHP superglobals that I depended on
678 to determine whether or not the script was being invoked from the
679 command line. This has been fixed (the variables are now checked
680 *before* WordPress can trample them). Note that `update-feeds.php` has
681 been thoroughly overhauled anyway; see below for details.
682
683 * BUG FIX: Duplicate categories or author names. Fixed two bugs that could
684 create duplicate author and/or category names when the name contained
685 either (a) certain international characters (causing a mismatch between
686 MySQL and PHP's handling of lowercasing text), or (b) characters that
687 have a special meaning in regular expressions (causing MySQL errors when
688 looking for the author or category due to regexp syntax errors). These
689 should now be fixed thanks to careful escaping of names that go into
690 regular expressions and careful matching of lowercasing functions
691 (comparing results from PHP only to other results from PHP, and results
692 from MySQL only to other results from MySQL).
693
694 * BUG FIX: Items dated December 31, 1969 should appear less often. The
695 function for parsing W3C date-time format dates that ships with
696 MagpieRSS can only correctly parse fully-specified dates with a
697 fully-specified time, but valid W3C date-time format dates may omit the
698 time, the day of the month, or even the month. Some feeds in the wild
699 date their items with coarse-grained dates, so the optional
700 `rss-functions.php` upgrade now includes a more flexible parse_w3cdtf()
701 function that will work with both coarse-grained and fully-specified
702 dates. (If parts of the date or the time are omitted, they are filled in
703 with values based on the current time, so '2005-09-10' will be dated to
704 the current time on that day; '2004' will be dated to this day and time
705 one year ago.
706
707 N.B.: This fix is only available in the optional `rss-functions.php`
708 upgrade.
709
710 * BUG FIX: Evil use of HTTP GET has been undone. The WordPress interface
711 is riddled with inappropriate (non-idempotent) uses of HTTP GET queries
712 (ordinary links that make the server do something with significant
713 side-effects, such as deleting a post or a link from the database).
714 FeedWordPress did some of this too, especially in places where it aped
715 the WordPress interface (e.g. the "Delete" links in Links -->
716 Syndicated). That's bad business, though. I've changed the interface so
717 that all the examples of improper side-effects that I can find now
718 require an HTTP POST to take effect. I think I got pretty much
719 everything; if there's anything that I missed, let me know.
720
721 Further reading: [Sam Ruby 2005-05-06: This Stuff Matters](http://www.intertwingly.net/blog/2005/05/06/This-Stuff-Matters)
722
723 * BUG FIX: Categories applied by `cats` setting should no longer prevent
724 category-based filtering from working. In FeedWordPress, you can (1)
725 apply certain categories to all syndicated posts, or all posts from
726 a particular feed; and (2) filter out all posts that don't match one
727 of the categories that are already in the WordPress database (allowing
728 for simple category-based filtering; just load up WordPress with the
729 categories you want to accept, and then tell FeedWordPress not to create
730 new ones). However, the way that (1) and (2) were implemented meant that
731 you couldn't effectively use them together; once you applied a known
732 category to all syndicated posts from a particular feed, it meant that
733 they'd have at least one familiar category (the category or categories
734 you were applying), and that would get all posts past the filter no
735 matter what categories they were originally from.
736
737 Well, no longer. You can still apply categories to all syndicated posts
738 (using either Syndication --> Options, or the feed-level settings under
739 Links --> Syndicated). But these categories are not applied to the post
740 until *after* it has already passed by the "familiar categories" filter.
741 So now, if you want, you can do category filtering and *then* apply as
742 many categories as you please to all and only posts that pass the filter.
743
744 * BUG FIX: Other minor typos and HTML gaffes were fixed along the way.
745
746 * PERFORMANCE: get_feed_meta() no longer hits the database for information
747 on every call; it now caches link data in memory, so FeedWordPress only
748 goes to the database once for each syndicated link. This may
749 substantially improve performance if your database server resources
750 are tight and your templates make a lot of use of custom settings from
751 get_feed_meta().
752
753 * API CHANGE: Link ID numbers, rather than RSS URIs, are now used to
754 identify the feed from which a post is syndicated when you use template
755 functions such as get_feed_meta(). The practical upshot of this is you
756 can switch feeds, or change the feed address for a particular syndicated
757 site, without breaking your templates for all the posts that were
758 syndicated from the earlier URI.
759
760 * API CHANGE: if you have plugins or templates that make use of the
761 get_feed_meta() function or the $fwp_feedmeta global, note that the
762 data formerly located under the `uri` and `name` fields is now located
763 under the `link/uri` field and the `link/name` field, respectively. Note
764 also that you can access the link ID number for any given feed under the
765 global $fwp_feedmeta['link/id'] (in plugins) or
766 get_feed_meta('link/id') (in a template in post contexts).
767
768 * FEATURE: the settings for individual feeds can now be edited using a
769 humane interface (where formerly you had to tweak key-value pairs in the
770 Link Notes section). To edit settings for a feed, pick the feed that you
771 want under Links --> Syndicated and click the Edit link.
772
773 * FEATURE: The "Unsubscribe" button (formerly "Delete") in Links -->
774 Syndicated now offers three options for unsubscribing from a feed: (1)
775 turning off the subscription without deleting the feed data or affecting
776 posts that were syndicated from the feed (this works by setting the Link
777 for the feed as "invisible"); (2) deleting the feed data and all of the
778 posts that were syndicated from the feed; or (3) deleting the feed data
779 and *keeping* the posts that were syndicated from the feed
780 setting the Link to "Invisible" (meaning that it will not be displayed
781 in lists of the site links on the front page, and it won't be checked
782 for updates; (2) deleting the Link and all of the posts that were
783 syndicated from its feed; or (3) deleting the feed data but keeping the
784 posts that were syndicated (which will henceforward be treated as if
785 they were local rather than syndicated posts). (Note that (1) is usually
786 the best option for aggregator sites, unless you want to clean up the
787 results of an error or a test.)
788
789 * FEATURE / BUG FIX: If you have been receiving mysterious "I don't
790 syndicate...", or "(local) HTTP status code was not 200", or "(local)
791 transport error - could not open socket", or "parse error - not well
792 formed" errors, then this update may solve your problems, and if it does
793 *not* solve them, it will at least make the reasons for the problems
794 easier to understand. That's because I've overhauled the way that
795 FeedWordPress goes about updating feeds.
796
797 If you use the command-line PHP scripting method to run scheduled
798 updates, then not much should change for you, except for fewer
799 mysterious errors. If you have done updates by sending periodic HTTP
800 requests to <http://your-blog.com/path/wp-content/update-feeds.php>,
801 then the details have changed somewhat; mostly in such a way as to make
802 things easier on you. See the README file or online documentation on
803 Staying Current for the details.
804
805 * FEATURE: FeedWordPress now features a more sophisticated system for
806 timed updates. Instead of polling *every* subscribed feed for updates
807 *each* time `update-feeds.php` is run, FeedWordPress now keeps track of
808 the last time it polled each feed, and only polls them again after a
809 certain period of time has passed. The amount of time is normally set
810 randomly for each feed, in a period between 30 minutes and 2 hours (so
811 as to stagger updates over time rather than polling all of the feeds at once. However, the length of time between updates can also be set
812 directly by the feed, which brings us to ...
813
814 * FEATURE: FeedWordPress now respects the settings in the `ttl` and
815 Syndication Module RSS elements. Feeds with these elements set will not
816 be polled any more frequently than they indicate with these feeds unless
817 the user manually forces FeedWordPress to poll the feed (see Links -->
818 Syndicated --> Edit settings).
819
820 Changes from 0.95 to 0.96
821 -------------------------
822
823 * FEATURE: support has been added for enclosures in RSS 2.0 and Atom
824 0.6+ newsfeeds. WordPress already supports adding enclosures to an
825 item; FeedWordPress merely gets the information on the enclosure
826 from the feed it is syndicating and plugs that information directly
827 into the WordPress database so that (among other things) that post
828 will have its enclosure listed in your blog's RSS 2 newsfeed.
829
830 Note that enclosure support requires using the optional MagpieRSS
831 upgrade (i.e., replacing your `wp-includes/rss-functions.php` with
832 `OPTIONAL/wp-includes/rss-functions.php` from the FWP archive)
833
834 * FEATURE: for completeness's sake, there is now a feed setting,
835 `hardcode url`, that allows you to set the URI for the front page
836 of a contributor's website manually (that is, prevent it from being
837 automatically updated from the feed channel link on each update). To
838 set the URI manually, put a line like this in the Link Notes section
839 of a feed:
840
841 hardcode url: yes
842
843 You can also instruct FeedWordPress to use hardcoded URIs by default
844 on all feeds using Options --> Syndication
845
846 * FEATURE: by default, when FeedWordPress finds new syndicated posts,
847 it (1) publishes them immediately, (2) turns comments off, and (3)
848 turns trackback / pingback pings off. You can now alter all three
849 default behaviors (e.g., to allow pings on syndicated posts, or to
850 send newly-syndicated posts to the draft pile for moderation) using
851 Options --> Syndication
852
853
854 Changes from 0.91 to 0.95
855 -------------------------
856
857 * BUG FIX: Fixed an obscure bug in the handling of categories:
858 categories with trailing whitespace could cause categories with
859 duplicate names to be created. This no longer happens. While I was
860 at it I tightened up the operation of
861 FeedWordPress::lookup_categories() a bit in general.
862
863 * FEATURE DEPRECATED: the feed setting `hardcode categories` is now
864 deprecated in favor of `unknown categories` (see below), which
865 allows you to strip off any syndication categories not already in
866 your database using `unknown categories: default` or `unknown
867 categories: filter`. If you have `hardcode categories: yes` set on a
868 feed, this will be treated as `unknown categories: default` (i.e.,
869 no new categories will be added, but if a post doesn't match any of
870 the categories it will be added in the default category--usually
871 "Uncategorized" or "General").
872
873 * FEATURE: You can now set global defaults as to whether or not
874 FeedWordPress will update the Link Name and Link Description
875 settings for feeds automatically from the feed title and feed
876 tagline. (By default, it does, as it has in past versions.) Whether
877 this behavior is turned on or off, you can still override the
878 default behavior using feed settings of `hardcode name: yes`,
879 `hardcode name: no`, `hardcode description: yes`, or `hardcode
880 description: no`.
881
882 * FEATURE: Users can now provide one or several "aliases" for an
883 author, just as they can for a category. For example, to make
884 FeedWordPress treat posts by "Joseph Cardinal Ratzinger" and "Pope
885 Benedict XVI" as by the same author, edit the user profile for Pope
886 Benedict XVI and add a line like this to the "User profile" field:
887
888 a.k.a.: Joseph Cardinal Ratzinger
889
890 You can add several aliases, each on a line by itself. You can also
891 add any other text you like to the Profile without interfering with
892 the aliases.
893
894 * FEATURE: Users can now choose how to handle syndicated posts that
895 are in unfamiliar categories or by unfamiliar authors (i.e.,
896 categories or authors whose names are not yet in the WordPress
897 database). By default, FeedWordPress will (as before) create a new
898 category (or new author) and use it for the current post and any
899 future posts. This behavior can be changed, either for all feeds or
900 for one or another particular feed.
901
902 There are now three different options for an unfamiliar author: (1)
903 FeedWordPress can create a new author account and attribute the
904 syndicated post to the new account; (2) FeedWordPress can attribute
905 the post to an author if the author's name is familiar, and to a
906 default author (currently, this means the Site Administrator
907 account) if it is not; (3) FeedWordPress can drop posts by
908 unfamiliar authors and syndicate only posts by authors who are
909 already in the database.
910
911 There are, similarly, two different options for an unfamiliar
912 category: (1) FeedWordPress can create new categories and place the
913 syndicated post in them; (2) FeedWordPress can drop the unfamiliar
914 categories and place syndicated posts only in categories that it is
915 already familiar with. In addition, FeedWordPress 0.95 lets you
916 choose whether posts that are in *no* familiar categories should be
917 syndicated (and placed in the default category for the blog) or
918 simply dropped.
919
920 You can set the default behavior for both authors and categories
921 using the settings in Options --> Syndication. You can also set
922 different behavior for specific feeds by adding the `unfamiliar
923 author` and / or `unfamiliar categories` settings to the Link Notes
924 section of a feed:
925
926 unfamiliar author: (create|default|filter)
927 unfamiliar categories: (create|default|filter)
928
929 A setting of `unfamiliar author: create` will make FeedWordPress
930 create new authors to match unfamiliar author names *for this feed
931 alone*. A setting of `unfamiliar author: default` will make it
932 assign posts from unfamiliar authors to the default user account. A
933 setting of `unfamiliar author: filter` will cause all posts (from
934 this feed alone) to be dropped unless they are by an author already
935 listed in the database. Similiarly, `unfamiliar categories: create`
936 will make FeedWordPress create new categories to match unfamiliar
937 category names *for this feed alone*; `unfamiliar categories:
938 default` will cause it to drop any unfamiliar category names; and
939 `unfamiliar categories: filter` will cause it to *both* drop any
940 unfamiliar category names *and* to only syndicate posts that are
941 placed in one or more familiar categories.
942
943 These two new features allow users to do some coarse-grained
944 filtering without having to write a PHP filter. Specifically, they
945 offer an easy way for you to filter feeds by category or by author.
946 Suppose, for example, that you only wanted to syndicate posts that
947 your contributors place in the "Llamas" category. You could do so by
948 setting up your installation of WordPress so that the only category
949 in the database is "Llamas," and then use Options --> Syndication to
950 set "Unfamiliar categories" to "don't create new categories and
951 don't syndicate posts unless they match at least one familiar
952 category". Now, when you update, only posts in the "Llamas" category
953 will be syndicated by FeedWordPress.
954
955 Similarly, if you wanted to filter one particular feed so that only
956 posts by (for example) the author "Earl J. Llama" were syndicated to
957 your site, you could do so by creating a user account for Earl J.
958 Llama, then adding the following line to the settings for the feed
959 in Link Notes:
960
961 unfamiliar author: filter
962
963 This will cause any posts from this feed that are not authored by
964 Earl J. Llama to be discarded, and only the posts by Earl J. Llama
965 will be syndicated. (If the setting is used on one specific feed, it
966 will not affect how posts from other feeds are syndicated.)
967
968