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Category: Forum

Forum
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Name Type
Send notification email to forum moderator when a user posts a message which is queued pending moderation
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'next page' link in forum threads doesn't list additional comments
Sometimes we have forum topics with a large number of comments. Let's say the default settings allow to display only the first 20 comments on the first page and provides a "next page" link to the following 20 comments.

But this link doesn't work correctly, there aren't any comments displayed on page 2 (only the initial posting).

I tried this behaviour on the tikiwiki demo page, too ... it's the same bug in the demo.

How can I correct this?

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"No Thread Indicated" error on normal forum reply submit
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0 (zero) byte size attachments
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1.10: previewing forum post doesn't show the form to post qagain by default
When posting to a forum in 1.10cvs (from mid june 2007), if you preview your post, you cannot see by default the html form to edit your content again. If you press on "new topic", the form opens with your content... (but it should be shown by default, as in previous releases)
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Import phpBB data
phpBB is a popular open source forum software.
Sometimes, a forum is not enough.
So, the data must be migrated from phpBB to Tiki forums...

If you want to help:
Please post links to similar scripts.
ex.: phpbb to invision board, etc
If/when we do a script, we should do for all major forums.
---
__From kerrnel22 on 11/20/07:__

I have almost completed an integrated TikiWiki forum migration tool for 1.9.8.x and 1.10. Initial release will be to migrate only Tiki forums from one Tiki install to another. However, hooks are in place, and the intention is there, to work on extending the migration tool to importing of phpBB2 (or any other forum software) into Tiki. If you would like more information, email tiki.kerrnel@kerris.com. I expect a general release of the forum migration tool (for Tiki forums only) into cvs of both branches for beta testing by December 1/07. If all goes well, I'll have something released for phpBB2 migration prior to Dec 31.

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12.x: accents not shown properly in forum posts when wysiwyg-html is on
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Koichi
Contributors
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Caldrac
Contributors
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13.x tiki.org forums: pagination missing on http://tiki.org/tiki-view_forum.php?forumId=26
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13.x: Forum Thread Rating doesn't display icons for value 0, wrong icon for value 1, and no icons when labels are set beyond values
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13.x: Forum Thread Rating doesn't display options to choose from any more
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POP3 collected e-mail not correctly integrated into forum
An email message hasn't integrated into the forum. Tho forum posting is just empty. I'll attach a zip with the original message.
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Forum post by email - duplicate emails render forum inaccessible
Setup:
1) Create a new forum
2) Enable the post-by-email function (and create the associated email address)
3) Send an email post
4) Send a second identical post
5) Attempt to visit the forum - denied

We use one of our Tiki forums to archive contents from a mailing list - we have a dedicated address which is enrolled in said (external) list. This normally works great, except we were unable to visit the specific forum recently - the error message notified us that duplicate name and content posts were prohibited. It turns out the mailing list sends out regular (monthly) notifications which happen to be identical. It seems that that the POP server is polled when the forum is accessed - the message is obtained, and the post attempt it denied, and effectively locks the user out of the forum.

Verified on the opensourcecms 1.9.11 demo site.
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Forum setting plain-view doesn't get saved bug
User set forum style as Plain and save it after next login style is Threaded again.
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eclvvin
Contributors
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Sort-topics-by-rating in Tiki Forums doesn't work
Whenever we select »Rating (descending)« for the parameter »Default sorting of topics« (I hope this is close enough to the english i18n, because we actually make use of the german i18n of Tiki) in a forum's settings (second to last parameter in the settings), and try to view the respective forum, we are presented a page with the error message:
* »[[Titlebar:] System Error
+
+ [[Body:] Things to check:
+
+ 1. Did you complete the Tiki Installer?
+ 2. Is your database corrupt? Please see how to repair your database
+ 3. Are your database credentials accurate? (username, database name, etc in db/local.php)«
As long as we stick to »Newest Postings«, we can use the respective forum as usual. Also, the ratings of topics are displayed in the topics list with no problem.

This issue may possibly be related to the following bug reports:
* https://dev.tiki.org/tiki-view_tracker_item.php?trackerId=5&itemId=3066
* https://dev.tiki.org/tiki-view_tracker_item.php?trackerId=5&itemId=3667
* https://dev.tiki.org/tiki-view_tracker_item.php?trackerId=5&itemId=2686
* https://dev.tiki.org/tiki-view_tracker_item.php?trackerId=5&itemId=2695

---

Can you please retest in currently supported Tiki versions (e.g. Tiki12, ...)? Thanks in advanced {sign user="xavi" datetime="2014-02-07T09:48:35+00:00"}
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Attachments on forum posts not being uploaded at preview time
Attachements (on file tree, not db) are not uploaded as expected to forum post with attached file + preview button.

Perms seems to be ok (full admin user). Directory to upload forums chmoded to 777 and no change.

Similar dirs for image gals, file gals, etc. work fine.

Working with 1.9.2 on linux.
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5.0: since upgrade from 3.x, forum post emails to author missing, from other users ok
We recently upgraded precarios.org site from 3.6 to 5.0 (and migrated to a new server; dns propagating right now).

Since then, when you post a message in a forum that you are watching, you don't get a copy of your own email, but only copies of emails sent by others.

This is expected to allow users to follow a full thread in the email program.

For wiki page changes, you get also notification of your own changes.
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Forum - Post and Topic Counters are not working correctly
In v. 1.9.4 forum the number of topics and posts is not working properly. I have added posts just to test the forum functions, but when I delete them the number of topics and posts is not reduced! This can be very confusing for students, that is, to go to a forum that says 6 posts and 6 topics (because I added them during testing), and then not find any posts!
---
I (kerrnel22) am seeing this when migrating individual topics from one forum to another. The forum_prune() function does not appear to be operating correctly. I cannot see any errors so not sure what's causing the problem.
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Deletion of forum attachment does not remove linked file
As described in title. Problem exists when forum attachments are stored in linked files (vs. database)

Something should be done also for case where forum topic or thread is deleted. function remove_comment($threadId) does not do this either.

Problem is that the following function in commentslib.php does not delete linked file
function remove_thread_attachment($attId) {
232 $query = "delete from `tiki_forum_attachments` where `attId`=?";
233
234 $this->query($query,array($attId));
235 }


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A user can edit ANY forum post
A user with all forum-perms except tiki_p_admin_forum can edit any forum post.
That shouldn't be like that..
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a user is deleted, but his watches to forum are still sent to empty address
A user is subscribed to a forum. Everything works fine (no messages are sent by the server to blank email addresses).

An admin deletes that user.

When a new message is posted to that forum, there is a message sent to a blank address, which is then returned to the server users from which the posts where sent.

It seems as if the forum still tries to send a copy of the post to that user, but has no address to send it to, since the user was deleted.
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Ability to sort, edit and delete Forum Sections
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add a label like [forum name XXX] in each email from monitorized forum post or thread....
Forums are getting powerful enough to substitute mailing lists on many tiki sites (yahhogroups, etc.). However, notification messages from forums cannot be added easily to local email filters since the subject doesn't contain a label like [[Forum X - site Y] to ease this task.
{CODE()}
[Forum X - site Y]
{CODE}

I guess this must be very easy for a coder (just adding some variable to a smarty template? and adding a call to that variable if needed from the related .php or .tpl file - I just get the rough idea... I wish I could do that myself...)
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Add a select box to monitor each own's forum post, comments or tracker submission or wiki page at post time
I've been thinking for ages that this kind of option is REALLY needed, and I thought it should not be much coding effort:

Automonitoring each own's posts, through either:
# Add a select box to monitor each own's forum post or tracker submission at post time, in a "per forum post or tracker item insertion" basis, or
# with a user preference for all forums, or all trackers, blogs, etc..
---
Still needed...
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Add checkbox to tag forum thread as [SOLVED] and allow filtering and reporting based on that also
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Add forum attachment fails for me in 19.x (either in db or file-on-disk storage)
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Adding POP Mailaccount to a forum causes WSOD for that forum
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Addons code leftovers cause Fatal errors
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Admin control over Forum (and forum section) order
Could a system be implemented so that an admin could control the order that forums are listed within a section (like the way numbers are assigned in the featured links app)?

Also, a system to control the order that sections are listed (same as above)

Lastly, a setting to set the default order to be used when clicking on the menu item


Currently sections are listed alphabetically, and by default forums are listed based on last edit date.

You can click on the forum table headers to change the sort order in a number of different ways.

There isn't currently a way to select a sort method that I could find
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Admin>Login>User defaults or Admin>Groups: Ability to Subscribe new users to specific Tiki objects
It would be lovely to set some new user defaults at
* Admin (home) > Login > User defaults, and/or
* Admin > Groups > (Edit a single group)

The ability to Subscribe/watch/monitor new users in the site or to that specific group, to specific Tiki objects.

Which tiki objects?: I would say, in this order:
# specific forums
# specific blogs
# specific calendars
# specific newsletters (ML: we can already subscribe groups to newsletters)
# specific wiki pages
# specific structures
# specific trackers
# specific categories
# new articles

This is specially useful for new users of the site, where they don't know yet how to subscribe to specific areas, etc. Very needed for educational scenarios, but I can see many other places where new users are a bit lost for some time while they learn how to use the Tiki site.

Related:
*[wish988|Forum: Let forum admins/moderators add groups and/or users as watching the forum]
*[tiki-index.php?page=Business%20Plans|Let small business start ups access collaborative sharing where the document being shared is not visible by anyone else]


Anywhere there is a watch eye, it should be possible for an admin to have group members watch this category
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Allow nested categories in the FAQ and Forums
I would like to be able to have nested categories in my FAQ and/or Forums. This is a pretty simple change (I think, I'm no coder) as it's just adding a 'parent_id' column to the tiki_faqs database (for example). This would allow a layout like

*Firewalls
**Checkpoint
**Cisco
**Juniper

Which would make browsing categories and organizing them easier.
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anchor link in tiki-admin_forums.php does not work
On the top of tiki-admin_forums.php is the button "List forums" which should send the admin to the forum list at the bottom of the page (as I guess). But with firefox 2/3 it makes just a reload of the page.
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Anonymous can read everything via search
When enabled feature_search it is possible for
Anonymous user to read protected pages via
special search request

Just try "a" or any other word that is in hidden
or protected area in search box - tiki-
searchresults.php give U text from hidden
pages

from tiki-searchresults.php



http://tikiwiki.org/tiki-view_forum_thread.php?
topics_offset=0&forumId=4&comments_parentI
d=16071
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anonymous cannot post in forums even if he has the permission
Assigned permissions:
tiki_p_forums_report(x)
tiki_p_forum_post(x)
tiki_p_forum_post_topic(x)
tiki_p_forum_read(x)
tiki_p_forum_vote(x)
tiki_p_view(x)
tiki_p_wiki_view_comments(x)
tiki_p_wiki_view_history(x)
to anonymous. but they cannot reply in forum. No error message.
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Answers in the forum don't send notifications if not in the top-level of a thread
If you post a message to the forum you can enabling e-mail notification.

Assume, you have the following message:
* my Message (watched)

Now you get an answer:
* my Message (watched)
* answer

A notification is sent about "answer", because the thread is watched.
now you receive a second answer, to the answer before
* my Mesage (watched)
* answer
** sub answer

You won't get a notification about "sub answer".
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Apostrophe in Username breaks Tiki
A user registered with an apostroph ' in their username (e.g. "Tes't") will not be able to use some feature of TikiWiki.

For example:
They will be able to select a forum, but after that, all that is displayed is the name of the forum, the "new topic" and "list forum" buttons (depending on permissions, of course), and the breadcrumb forum-navigation. The rest of the page (tiki-view_forum.php?forumid=X) is blank, no header/footer or any menus are displayed.

This __is__ dependant on the rights/permissions of the user in question, SubAdmins and Admins will see the full, expected forum page, regardless of apostrophes in their name (at least with my config, YMMV).

Another problem exists in regards to all JavaScript that uses the name of the user, for example the "tiki-my_tiki.php" page of the user, were JavaScript is used to expand Tabs (e.g. clicking "My Infos" will not work). This is due to JS using ' as string-delimeters, and not escaping any ' within the users name.

---

May be that the sole cause of all the problems lies within the JS-string-delimeter, but I'm no expert on the workings of TikiWiki, and the forum page breaks rather spectacularly when compared to the user profile page, which just doesn't work as expected.
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attachements to forum posts get lost if the user clicks to preview the post first
Using tw.o forums and 2.0 (afaik):

You add a screenshot attachment to a reply in a forum post, and if you click on "preview" first, (as you would do on wiki pages), the image is lost (no tag is inserted on the forum post to help you link the attachment).

However, if you do the same attachment on a post, and click to post it (without previewing it first), the attachment link is shown.

Example at tw.o forums where it recently happened:
[http://tikiwiki.org/tiki-view_forum_thread.php?forumId=4&comments_parentId=29608&thread_sort_mode=commentDate_desc&was_queued=n]

---
according to comment added to this bug report, this issue is still present in branch Tiki5 still (so probably also in trunk)
---
Unbelievable, bug still present in forum posts in 12.x since 1.x! (with forum replies, there is warning, at least, but not yet with brand new posts in the forum and attachment is lost indeed) {sign user="xavi" datetime="2013-11-22T09:45:52+00:00"}

Reproduced here:
http://xavi-9794-1986.show.tikiwiki.org/tiki-view_forum.php?forumId=1
u: admin
p: 12345
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Avoid links to poster's page
Presently TW has the possibility to avoid a usability mistake made by many forums systems : add a link to poster's page where it is not needed.

The average user will want to see the forum post first, and then, in some minority cases will want to click on the author's name to see who it is.

Therefore poster's page link should appear exclusively under poster's avatar, there where posts are viewed. Showing a link to poster's page in forums' tabular view is a pollution, and a source of wrong clicks and annoyances.
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Backlinks between trackers and wiki pages (and maybe forums)
In a tracker item, we often refer to wiki pages. From those wiki pages, we should be able to see the trackers in the backlinks.

Related:
Tracker plugin to get title and make link to tracker item
http://dev.tikiwiki.org/tiki-view_tracker_item.php?itemId=1768

With this second thing done, we could have backlinks among tracker items.


This will be useful for a ((Mindmap))

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Big avatar in forums, elsewhere
"If a user upload a big avatar (more than 45x45 px) tiki 2.1 not 'avatarize' and show the big image in the forums. This problem may be very uncomfortable when you read a forum topic."

I can confirm that this still occurs on tiki.org and whatever Tiki version it is running presently, specifically with GIF images. -- ssanders
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Border for he forum table in tiki.o are not displayed for forums when section are used
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Broken flag on tiki.org
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bug in moving a forum thread
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bug in tiki_view_forum with respect to tiki_p_admin_form
The attachmentbox in tiki_view_forum/tiki_view_forum_thread can not be displayed if the forum_info is set to att_admin because the right is named as tiki_p_admin_form instead of tiki_p_admin_forum. I added also the moderator because i couldn't find it. Now it looks like this
($forum_info.att eq 'att_admin' and ($tiki_p_admin_forum eq 'y' or $forum_info.moderator == $user))
I think it is line 275 in comments.tpl.
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can not set option to list messages always newest first
No mater how I set options the message thread all ways lists first message first and you have to scroll down to bottom to get latest message. I cant remember when this started as the person who complained about it is no longer with us. I believe it started with V3.x
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Can't create a new post in forum as registered user
Can't create a forum as a registered user. There is simply no button, unless you have administrative rights over the forum
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Can't delete forum posts at tiki.org
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Can't post a reply on tiki.org forums! (wysiwyg textarea never shows up)
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Can't remove picture ,can't turn to next page..
My tiki site was updated from 2.x to 3.0 .

Wiki don't work when i turn to next page in blog/Forum.

I found it work when i change & to ? .for example
forum13&comments_offset=40 don't work
forum13?comments_offset=40 ok change by manual

also i find some bug in imageGallery

when i want to delete a pic
gallery44&remove=730 don't work
gallery44?remove=730 ok change by manual

hope some guys help me..thanks!!
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Can’t post a reply on the forum using Safari
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Canonical for forum posts (print post and print all)
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Child forums
At this moment in version 3, forums are as they are, flat forums with category.
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Cleanup of Forum Administration option labels
Labels for forum administration options to link a Forum and mailing list are very obtuse. Suggested cleanup as made in the documentation would help users.
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Click on reply button in forum by registered user, get a 404 error
When the same registered user clicks on a reply button (the only thing what he can do then), the link will be like this:

^http://www.writingcenter4.info/forumId=22&comments_parentId=20&%3Bthread_sort_mode=commentDate_desc&post_reply=1&comments_threshold=0&comments_reply_threadId=27&comments_offset=0&thread_sort_mode=commentDate_desc&comments_per_page=50&comments_grandParentId=20&thread_style=commentStyle_threaded#form^

But what happens is:
404 Error
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Click twice on "Preview" in tiki-view_forum_thread results an error
The error is:

Notice: this variable may not be empty: $_POST["thread_sort_mode"]
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Correos
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Crash : overloaded memory php when sending a forum message - always
Hello,

On the user forum, when I send a new thread I have always the "crash" message :

Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 1491648 bytes) in /var/www/tikiwiki.org/setup_smarty.php on line 172

I yet notice this but I don't received any answer.

This is generally caused by a too low allocated memory for php.

The message is nevertheless sent but I (we) need to reload it.

Best regards

Trebly
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Create a forum within a forum (sub-forum)
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dbTiki error when posting new message in forum
Bug report available at
https://sourceforge.net/tracker/index.php?func=detail&aid=1174695&group_id=64258&atid=506846
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default sort mode missing in tw.o forums
there is still that issue sometimes with the error undefined "thread sort mode" if you preview an answer before posting it at tw. forums.

It heppened to me again when attempting to reply to a thread with a comment already, and I previewed my post first before attemptint to post it.
When I clicked on post, I saw that message.

TW.o is currently using tiki5beta1 r26677
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Discuss button on wiki page causes erroneous notifications on forum watch
One of our users reported that she was receiving watch notifications whenever she clicked the "Discuss" button for a wiki page, even though she was not posting anything in the forum topic.

The cause was a Watch on "A user posts a forum topic (forum_post_topic)" for the Wiki Page Discussion forum. (Our Tiki uses a forum for page discussion instead of page comments.)

The preferred behavior is that this type of watch would only generate a notification the ===first=== time the Discuss button is clicked for a page, when the new topic is actually created, rather than just accessed on successive clicks.
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Display external wikis and abbreviations in editor
Folks would probably use external wiki abbreviations more if they and their full equivalents were displayed on the editing screen. Even better if there were an explanation of what they are for, how to use them. Maybe a tooltip?
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Doesn´t update Tags in new topic forums
As Admin, when I create new Topic Post in a Forum, and add Tags and post... if I edit the former post tags, adding more tags, they are not saved. The former tags remain.


General Settings:

Tiki 6.0 fresh install.

Problem solved in 6.2
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Dogfood Forum and List Synchronization between tw.o forums and SourceForge Mailing Lists
Thanks to this:
http://doc.tikiwiki.org/Forum+and+List+Synchronization

This:
http://sourceforge.net/mail/?group_id=64258

Should be mirrored here:
http://tikiwiki.org/tiki-forums.php
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Duplicate posts in forum with email gateway
This is an ongoing problem carried over from previous Tiki versions. In a forum that has a POP mail gateway set up, each post made by a user at the forum generates a second, duplicate post attributed to "anonymous".

When I follow the email's reply-to link to view the forum post page, the thread name and author and content of the topic post and previous post are all missing, the previous message dates are Thu, Jan 01, 1970 (08:00) and these error notices are at the top of the page:

Notice: Undefined index: parentId in /lib/commentslib.php on line 1508

Notice: Undefined index: parentId in /lib/commentslib.php on line 1534

Notice: Undefined index: message_id in /lib/commentslib.php on line 1534.

Viewing in Threaded Style, a single emailed reply displayed correctly -- although not once, but six times, once in reply to each post in the thread :-/ . Viewing in Plain Style, the emailed reply appeared only once, properly at the top of the thread (as most recent post).

Authors' names don't show up when viewing in Headers Only style.

----
__Update (using 1.9cvs from June 13th 2007)__ by Xavi.
This bug is confirmed with current cvs code. I can't see no more "Notice: Undefined index: ...", but message is duplicated by an "anonymous" user, plus some other duplication by the same registered user on a different level of the same thread in the forum.

Example of forum thread here:
[http://www.moviments.net/precarios/tiki-view_forum_thread.php?topics_offset=1&forumId=2&comments_parentId=118]

being a gateway to:
[http://es.groups.yahoo.com/group/precarios-www/]

Related pages:
((doc:Forum and List Synchronization))
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E-mailed forum topic contains Discussion link when no discussion is happening.
I'm using 1.9.2. When I e-mail a new forum topic a forum, the body of the topic has added to it the following language:

~np~Use this thread to discuss the [tiki-index.php?page=mynewforumtopic|mynewforumtopic] page.~/np~

This would make sense if the material was coming in as a result of a Discussion of a wiki page. It might possibly make sense if the wiki page exists. It does not make sense in the context of creating a new forum topic that does not discuss a wiki page.

A bad solution is to verify that the wiki page exists before creating a link to the wiki page. This is not satisfactory because wiki pages may exist that are not related. For example, in my application, I have a forum for each state or other territory which discusses forms. Each state has forms with similar names. A discussion of a form "X" in one state's forum should not be linked to a wiki page "X" dealing with another state's form. Such a link could cause someone a real big problem if they don't realise what's happening. A similar mixup on a medical topic could be even more disastrous.
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Enable users to customize their forum thread layout in their preferences
Users are able to customize Forum Threat layout in a menu on top of the threat with number of posts per page, style, sort by. In My Tiki users are able to set this as preference for user to user messages. This should be possible for the Forum layout too!

Some users prefere the Forum old-post-first and all posts on one page, others prefere latest-post-first and 10 or 20 messages per Page. I would like users to set personal preferences for the discussion forum too. Not for each forum, but once per user, globally in myTiki.

This is a standard feature of most bulletin Board software and the TikiForum should have it too :)
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Entering "rss" in forums search field causes error
[http://tikiwiki.org/tiki-searchresults.php?highlight=rss&where=forums&search=Search+in+content|Link to error]

On the main forum page of tw.o I enter the text "rss" then search button and get the following:



The following error message was returned:

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1

The query was:
SELECT `rssId`, `url`, `actions` FROM `tiki_rss_modules` WHERE (`lastUpdated` < ? - `refresh`) AND `rssId` IN( )

Values:

1. 1270869772

The built query was likely:
SELECT `rssId`, `url`, `actions` FROM `tiki_rss_modules` WHERE (`lastUpdated` < '1270869772' - `refresh`) AND `rssId` IN( )
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Error on all forum main interface : sort on forum column when clicking on most of columns title (action buttons on the column title)
!The forum display on
[http://tikiwiki.org/tiki-forums.php?forumId=2]
forumId=2 and all others

has normally headers of columns.
These header are button to sort the message on.

!!!The concerned headers are :
#Type
#Title
#Hits
#Author

The activate generates a request to sort the list.

__These sort requests generates a SYSTEM ERROR SQL Request with the main error type :

#Column 'type' in order clause is ambiguous
#Column 'title' in order clause is ambiguous
#Column 'hits' in order clause is ambiguous
#Column 'userName' in order clause is ambiguous__

Thank's for action
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Error Tag Produced and indexed by google in Forum Thread
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Errors on top of tiki-objectpermissions.php page
Forum last posts module gives the following Notice errors on top of tiki-objectpermissions.php page and messes up the font size of permissions list.

Notice: Undefined index: forumId in ../proposed/5.x/lib/core/lib/Perms.php on line 185

Notice: Undefined index: forumId in ../proposed/5.x/lib/core/lib/Perms.php on line 229

For every topic created you will get another 2 of those Notices.
When there are 100 forum topics not that hard to get you will need to scroll down 200 lines of notices just to edit a few permissions.

Reproduce:
Turn on feature forum
Asign forum last posts module
Create a forum and a topic


One of the notices i got is fixed in Revision 29138
Notice: Use of undefined constant ttz - assumed 'ttz' in ../proposed/5.x/lib/tikilib.php on line 7682
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Fatal Error when trying to import a forum
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Feature broken: Attachments to inbound emails not saved.
I'm running 1.9.2. I am unable to get the attachment portion of inbound emails to show up as an attachment to a forum post or wiki page. I expect this also applies to analogous emails of other types of content. I think this was working in January 2006.

I will be posting a related issue in the next item. It deals with e-mails to forums having "Use this thread to discuss the [tiki-index.php?page=xxx|xxx] page." added to the body of the forum post, as if it was a Discussion of a wiki page.
tracker item
Feature to discuss wiki pages in forums sends a notification email (group watches) each time the use clicks at the button 'Start discussion' (even if the discussion and thread was already started by someone else previously)
tracker item
feature_forum_parse doesn't seem to affect anything
tracker item
Flag problem when country is empty
See screenshot
tracker item
Forum : Number of readings of a post does not change
tracker item
Forum & comment threading: make optional and plain (not threaded) by default
Tiki 1.9.x forums have improved nicely over the last few months. One more thing to make them cleaner is to make the default threading to plain.

Let's face it, it looks cleaner :-)


{img src=images/code.png}%%% {CODE()}
===================================================================
RCS file: /cvsroot/tikiwiki/tiki/comments.php,v
retrieving revision 1.31.2.50
diff -c -r1.31.2.50 comments.php
*** comments.php 11 May 2007 23:15:50 -0000 1.31.2.50
--- comments.php 31 May 2007 04:01:10 -0000
***************
*** 386,392 ****

if (!isset($_REQUEST["comments_style"])) {
// TODO: Make this an option.
! $_REQUEST["comments_style"] = 'commentStyle_threaded';
} else {
$smarty->assign('comments_style_param', '&amp;comments_style='.$_REQUEST['comments_style']);
$comments_show = 'y';
--- 386,392 ----

if (!isset($_REQUEST["comments_style"])) {
// TODO: Make this an option.
! $_REQUEST["comments_style"] = 'commentStyle_plain';
} else {
$smarty->assign('comments_style_param', '&amp;comments_style='.$_REQUEST['comments_style']);
$comments_show = 'y';

{CODE}
tracker item
Forum & Maillist Sync shows full email for list contributors not registered on tiki
tracker item
forum community moderation
the problem is moderation of forum posts.
tracker item
forum delete
tracker item
Forum has problem displaying a long svn commit mail
Hi,

I tried to set up a forum as archive for the commit emails from our svn.
It kind of works, but yesterday there was a long commit email. Our commit emails also contain the diff which was committed. This one contained also html pages, so there was html-markup in the email. Additionally the email was *very* long.
I disabled wiki syntax for the forum.
Nevertheless, there were two problems:
the html markup in the email was interpreted, i.e. rendered as html instead of displayed as plain text. I'm not sure whether this is a bug or a feature request. I would prefer if it would just display the message as plain text. The rendered html was all over the page, i.e. it escaped the text box.

And it already appeared on the page which should actually list only the threads, not show the post contents. It seems it was maybe only an error message (which as described above caused another problem).

This is how the displayed wiki html page starts:

--------8<---------------8<---------------------8<-----------------------
This is TikiWiki v1.9.10.1 -Sirius- © 2002–2007 by the Tiki community Thu 23 of Oct, 2008 [15:26]
+ +
+Definition at line 50 of file interface.c. +
+References MAXSIZE.

--------8<---------------8<---------------------8<-----------------------

(the lines with the plus signs come from the commit mail).

Then the tikiwiki boxes start.
In the box where actually the thread list should appear, the following appears:
--------8<---------------8<---------------------8<-----------------------
Error


An error occured in a database query!

+ +
+Definition at line 577 of file interface.c. +
+Referenced by print_cpu(), and print_net().
Context:
File tiki-view_forum.php
Url tiki-view_forum.php?forumId=2
Query:
insert into `tiki_comments`(`objectType`, `object`, `commentDate`, `userName`, `title`, `data`, `votes`, `points`, `hash`, `parentId`, `average`, `hits`, `type`, `summary`, `smiley`, `user_ip`, `message_id`, `in_reply_to`) values ( ?, ?, ?, ?, ?, ?, 0, 0, ?, ?, 0, 0, ?, ?, ?, ?, ?, ?)
Values:
0 forum
1 2
2 1224768390
3 Anonymous
4 - zoum in trunk/zoum/trunk/interface/docs
5 Author: zoum Date: 2008-10-23 00:06:36 +0200 (Thu, 23 Oct 2008) New Revision: 648 Added: trunk/zoum/trunk/interface/docs/html/classes.html trunk/zoum/trunk/interface/docs/html/cpu__implement_8c-source.html trunk/zoum/trunk/interface/docs/html/example1_8c-source.html trunk/zoum/trunk/interface/docs/html/examp

.....
a lot of text skipped

.....
trunk/zoum/trunk/interface/docs/perlmod/doxyrules.make ___________________________________________________________________ Name: svn:eol-style + native
6071ba94cc94282dcc6dce5f2694e6a547238n91011131.246.77.1381220081022220639.193F1A2363@somehost.uni-foo.de13Message:Error MessageGot a packet bigger than 'max_allowed_packet' bytes

Go back


--------8<---------------8<---------------------8<-----------------------

Alex
tracker item
forum mailin should update on regular basis
Currently, (2.2) when using the mailin feature to post to a forum, Tiki does not actually check the email until a user views the forum. Only then, is the email checked and new messages posted to the forum.

This means that the RSS feed for the forums, and modules such as last_post will not be correct until a user goes to the forum.

Instead, Tiki should check the email at regular intervals (in the same way that Tiki checks for article mail-ins.
tracker item
Forum migration script
Does anyone know of a migration script / strategy for moving tiki forums
from one Tiki to another?

I want to move this Galaxia forum:
http://tikiwiki.org/tiki-view_forum.php?forumId=11
to:
http://workflow.tikiwiki.org/

The themes forum
http://tikiwiki.org/tiki-view_forum.php?forumId=14
to:
http://themes.tikiwiki.org/

And the Multilingual/i18n <tiki-view_forum.php?forumId=13> forum:
http://tikiwiki.org/tiki-view_forum.php?forumId=13
http://tikiwiki.org/tiki-view_forum.php?forumId=10
http://tikiwiki.org/tiki-view_forum.php?forumId=15
http://tikiwiki.org/tiki-view_forum.php?forumId=7
http://tikiwiki.org/tiki-view_forum.php?forumId=8
http://tikiwiki.org/tiki-view_forum.php?forumId=9
http://tikiwiki.org/tiki-view_forum.php?forumId=16
to an eventual i18n.tikiwiki.org
tracker item
forum moderator seems to have tiki_p_admin_forum permission=y for tiki-view_forum.php
although they have tiki_p_admin_forum permission=__n__ (on v3.2).
My forum mods gets on tiki-view_forum.php?forumId=<int> the "Edit forum" button, which should be visible to forum admin only.
If they click on the button they get the error messages about missing permissions, so there is no serious problem with it, but it's confusing to see this button.

I've looked over templates/tiki-view_forum.tpl but didn't see anything as explanation for this.
(Btw: the if/else clause from line 15 to 19 doesn't make a sense (for me); it makes the same, never mind the case of the if-clause)
tracker item
forum not moderated gets moderation message after user posts
After posting to a non-moderated forum, users sees the message as if the forum was moderated:
^
Your message has been queued for approval, the message will be posted after a moderator approves it.
^

Message is posted instantly, without any check from anybody
tracker item
Forum pagination is broken when there is more than one page for a thread on tiki.org
tracker item
Forum pb with submit and link
Hello,
I installed the same website on two different server (same source and same sql).
The first is a Unbuntu 9.04 with last Apache, Php, Mysql. Config with a VirtualHost.
The second is Windows Vista SP2 with EasyPhp 3.0. Config with a Directory and Alias.

On the first server (Ubuntu), some links in forum like "reply" are wrong (something like http://www.mysite.com/forumId=...). Also when I send a message the request finish on a blank page.

On the second server I don't have this pb.

A specific component is need for 3.x (maybe present in EasyPhp) ?

Thanks

tracker item
Forum plugin show things that the forum doesn’t (t.o)
tracker item
Forum post / topic delete should show the actual title of the topic/post which is to be deleted
When deleting forum posts / topics it just asks to confirm without telling the user again what he/she is trying to delete.
tracker item
Forum post attachments fail at tiki.org
tracker item
Forum post count in forum listing wrong (increases fast)
The count display of number of forum posts in a particular forum is wrong. It increases in somewhat fibonacci manner, possibly due to count of joins or something, but whatever it increases much faster than the actual number of posts.
tracker item
Forum post preview dialog broken
tracker item
Forum post time phrasing needs adjustment (Timeago)
tracker item
forum posting of viewing posts yields "Column 'approved' in where clause is ambiguous" to non admins
This is a bit odd. Using trunk from today, Feb 10th, 2009, even if this bug was showing up with previous trunks, also.

I post a message as plain registered user, that I get this message just after posting:

{CODE(wrap=>1)}
Error Error

Ha hagut un error en una petició de la base de dades!

Context:
File tiki-view_forum_thread.php
Url tiki-view_forum_thread.php?comments_parentId=3&forumId=1
Query:
select tc1.`threadId`, tc1.`object`, tc1.`objectType`, tc1.`parentId`, tc1.`userName`, tc1.`commentDate`, tc1.`hits`, tc1.`type`, tc1.`points`, tc1.`votes`, tc1.`average`, tc1.`title`, tc1.`data`, tc1.`hash`, tc1.`user_ip`, tc1.`summary`, tc1.`smiley`, tc1.`message_id`, tc1.`in_reply_to`, tc1.`comment_rating` from `tiki_comments` as tc1 left outer join `tiki_comments` as tc2 on tc1.`in_reply_to` = tc2.`message_id` and tc1.`parentId` = ? and tc2.`parentId` = ? where tc1.`objectType` = ? and tc1.`object`=? and tc1.`parentId`=? and tc1.`average`>=? and `approved`=? and (tc1.`in_reply_to` = ? or (tc2.`in_reply_to` = "" or tc2.`in_reply_to` is null or tc2.message_id is null or tc2.parentid = 0)) order by tc1.`commentDate` asc,tc1.`threadId`
Values:
0 3
1 3
2 forum
3 1
4 3
5 0
6 y
7 prova-0-21fe72956f@moviments.net
Message:
Column 'approved' in where clause is ambiguous
Built query was probably:
select tc1.`threadId`, tc1.`object`, tc1.`objectType`, tc1.`parentId`, tc1.`userName`, tc1.`commentDate`, tc1.`hits`, tc1.`type`, tc1.`points`, tc1.`votes`, tc1.`average`, tc1.`title`, tc1.`data`, tc1.`hash`, tc1.`user_ip`, tc1.`summary`, tc1.`smiley`, tc1.`message_id`, tc1.`in_reply_to`, tc1.`comment_rating` from `tiki_comments` as tc1 left outer join `tiki_comments` as tc2 on tc1.`in_reply_to` = tc2.`message_id` and tc1.`parentId` = '3' and tc2.`parentId` = '3' where tc1.`objectType` = 'forum' and tc1.`object`='1' and tc1.`parentId`='3' and tc1.`average`>='0' and `approved`='y' and (tc1.`in_reply_to` = 'prova-0-21fe72956f@moviments.net' or (tc2.`in_reply_to` = "" or tc2.`in_reply_to` is null or tc2.message_id is null or tc2.parentid = 0)) order by tc1.`commentDate` asc,tc1.`threadId`
{CODE}

As admin user, I can see that post, and any other.
tracker item
Forum posting preview should not appear at the bottom of page
When one hits the preview key on a heavily-populated forum, the preview gets put all the way down at the bottom of the pane. Despite the fact that the active area in the pane is at the bottom, after the preview action, the screen will be positioned at the top. At best this involves a lot of unnecessary scrolling; at worst this can be very confusing to the user.

tracker item
Forum rankings broken
tiki-forum_rankings.php is broken since Tiki 4 due to its usage of function forums_ranking_last_topics(), which was removed:
Fatal error: Call to undefined method RankLib::forums_ranking_last_topics() in /var/www/tiki/6.x/tiki-forum_rankings.php on line 70

or

Fatal error: Call to undefined method RankLib::forums_ranking_last_topics() in /var/www/tikitrunk/tiki-forum_rankings.php on line 72

The method was removed in r20573.
tracker item
Forum Sort by Topic Fails
!!!Update: 2011-01-31
Recommend Closure
Problem apparently fixed with the upgrade to V6.1
~Speaker

__DESCRIPTION__
In a Forum, setting topic sort order to Topic (Ascend/Descend) results in an error screen (see pic2). This is true for global and Forum-specific settings (see pic1). As far as I can determine, the suggested actions have been completed (Installer, corruption, DB credentials). Also, the current BugReport only references an email address rather than the details shown for other reports on the page.

__PageText__
An error occured while performing the request.

Things to check:

1. Did you complete the Tiki Installer?
2. Is your database corrupt? Please see how to repair your database
3. Are your database credentials accurate? (username, database name, etc in
db/local.php)
__EndText__

Request this be corrected within the current development cycle (v6.x), ver 5.4 if possible or... point me to a fix if this is a configuration issue or, if needed, I may be able to incorporate a code fix.

__Pic1__
http://dev.tiki.org/tiki-browse_image.php?imageId=117
__Pic2__
tracker item
Forum sorting issue
I created multiple forums and when I try to sort by name (asc) or name (desc), it doesn't seem to work.

See screenshot here:
http://dev.tikiwiki.org/show_image.php?id=104

Thanks
Ryan McCain
rmcc4444@gmail.com
tracker item
Forum thread config bar missing
The thread options - "Style: plain, threaded, headers only" "Sort" and "Search" - are missing in trunk (noticed at r22445), even when "Display thread configuration bar." is checked on the forum admin page. I can set the thread options per-forum if I activate that preference on admin forums, but still the config bar doesn't show up for forum users.
tracker item
Forum threads pagination bug
When user replies to a forum the pagination changes so that only shows 2 posts:
The topic post and the first reply

It still shows only 2 replies per page don't respecting the configuration for the forum ( 10 replies per page, 20, etc ).
tracker item
Forum URLs are much too long
Say I find a nice/useful forum post and I want to email it to someone, it is very long for no (apparent) good reason.

In the "last forum posts" module, the URL is like this: (which is OK)
http://doc.tikiwiki.org/tiki-view_forum_thread.php?forumId=1&comments_parentId=438

But if I find that same link from here:
http://doc.tikiwiki.org/tiki-view_forum.php?forumId=1

It is:
http://doc.tikiwiki.org/tiki-view_forum_thread.php?comments_parentId=438&topics_threshold=0&topics_offset=0&topics_sort_mode=commentDate_desc&topics_find=&forumId=1


tracker item
Forum Watches - notifications are not working as expected
tracker item
Forum: Delete own posts permission
Users with the proper permission should be able to delete their own posts and unreplied topics in forums.

At the moment, only users with ''tiki_p_admin_forum'' permission and the forum moderators can delete posts and topics, but this also gives total control over the forums, something not desirable for regular users.
tracker item
Forum: Let forum admins/moderators add groups and/or users as watching the forum
This permits mailing-list-like functionality.

After, adding or removing a user from a group dictates which forums they can read and get notifications for.

Maybe we should use the newsletter functionality as it already handles group inclusions and individual opt-outs...

Like newsletters, it should be possible for people to remove themselves from a mailing. Better than 1.9.7 newsletters, it should also be possible for the admin to see who removed themselves.

tracker item
forumId is required but not used
on tw.o you can set __any__ forumId regardless where the forum topic/thread post actually is saved, e.g.

http://tikiwiki.org/tiki-view_forum_thread.php?forumId=1&comments_parentId=34093
http://tikiwiki.org/tiki-view_forum_thread.php?forumId=2&comments_parentId=34093
http://tikiwiki.org/tiki-view_forum_thread.php?forumId=3&comments_parentId=34093
http://tikiwiki.org/tiki-view_forum_thread.php?forumId=4&comments_parentId=34093

it's always the same forum topic/thread but the __forumId=3__ is the correct one

on the other hand when you omit the forumId it yells error "No forum indicated"

it would be better when forumId wasn't required in cases when a thread moves to another forum, the old links wouldn't be misleading...
tracker item
forums editor not loaded in t.o mobile (13.x or next.t.o 14.x)
tracker item
forums in t.o unusable: help!
tracker item
Forums list refuses to show latest entries; comments to opening posts are not accesible.
The following error is observed in an installation of Tiki 7.1 which was some weeks earlier migrated from 6.3 via 7.0.

Environment:
* Apache 2.2.17
* mySQL 5.1.58
* PHP 5.3.8
* Fedora Linux 14
Bug:
* The forum list doesn't show the latest entries any more, although even anonymous users have rights to view the forum postings.
+
+ In particular, anonymous user are globally granted the permission __tiki_p_forum_read__. Nothing was changed in the permissions before the forum list stopped displaying latest entries.
+
+ Yet the only user who is presented with a forum list containing the latest entries is the installation's admin.
+
+
* Also, when visting the topics list of some forum, users are presented a list of the latest entries in that forum (below the list of threads), but when clicking on the links in the list of latest entries, they're taken to thread pages which miss every message except the message which started the respective thread.
+
+ This seems to show that the bug described here is not caused by wrongly granted permissions, because if anonymous users had no permission to read forum posts they would not even see the list of latest entries below a forum's topics list.
+
+
* Recently before the bug was noted, the comment feature (for wiki pages), the freetags feature, and the rating feature were activated, but they were not activate precisly before the forums list stopped working, so the issue may be caused by some finer grained change than simply activating some additional feature.
+
+ Could the issue possibly be related to freetagging single forum postings?
+
+
* After removing all object permissions for every single forum and resetting them, clearing caches, removing freetags from every forum posting, and removing unused freetags, the bug remains.
+
+
* The following forum posts on tiki.org are related to this bug report:
** https://tiki.org/tiki-view_forum_thread.php?comments_parentId=42333
** https://tiki.org/tiki-view_forum_thread.php?comments_parentId=42306
** https://tiki.org/tiki-view_forum_thread.php?comments_parentId=42325
tracker item
Forums lists many pages, regardless of categ.perms., and available forums are not listed in 1st pag
Imagine you have 20 forums (>10 is common case in some educational scenarios).

Forums list indicates 2 pages of forums list.
Then you select the 15 first forums to a categ. with restrictive permissions, so that normal users don't have the perm. to see them. The last 5 are supposed to be seen by users.
The first 15 are in a section called "Salut i Medi Ambient" (without quotes), and the last 5 are in a section called "Salut i Medi Ambient 2005-06"
Those last 5 are not listed in the first page of the forum list, which appears to be empty, and the users see as if there were no forums (they are in the second page of the forums list).

This should be modified so that the available forums to a user are listed in the first page of forums list.

Using 1.10cvs.

tracker item
Forums: "Posts can be rated" results in "Request URI too long" error when enabled and user tries to rate
tracker item
Forums: move topic to another forum id (feature already exists)
In forums:

Topics are first level (discussion starters)
Message are replies. This uses the same code as comments (used in wiki pages, image gallery, etc) and has threading.

In 1.9.x, an admin can move a reply to another topic. This is of limited use. It is as if the admin decides "Your answer is more suited to another question"...

What would be much more useful:
To change a topic (and all threaded replies) to another forum.

So an admin could start with one general forum, and create more specific forums if/when the volume of messages justifies it. Right now, the admin has to plan all these forums in advance. And a list of empty forums is not very inviting...

If someone starts a thread in the wrong forum, it should be easy to correct.
tracker item
Forwarded messages to a mail-in forum are prefixed with "FW: "
When forwarding messages to a pop "mail-in" account, the forum title is prefixed with "FW: "
tracker item
hits (reads) counter not working
tracker item
https://tiki.org/forum26 is no longer getting messages from tiki-devel
tracker item
i18n forums
I am not sure if this is a formal "feature request" yet. More of a discussion/debate for now...

How should we handle forums in a multilingual site? Is it a lot of development?

*Should we split tiki-forums.php by language?
*What do we do when some users would like to see messages in more than 1 language?
*How do we handle modules which show the most recent messages? In all languages? by choice?

tracker item
Import forum from yahoo groups
It might be a very useful feature if a complete Yahoo group with all the forum postings could be imported into TW.
This definitely seems to be quite a lot of work, but it's just an idea...
tracker item
Include option to separate voting on forums from karma or score system
Nowadays the voting on forums is confusing in educational or e-democracy scenarios, since it's not easy to understand why a voting of ! makes just 0.40, or a voting of 5 make 1.60, etc. as it may happen nowadays, since voting on forums seems to be linked to karma or score system.

There should be an option to unlink them, so taht a vote of 1, makes 1, and an option of 5 makes 5 to be included in the mean which is shown at the end on the rate value.
tracker item
Inconsistency in forum reply title "required"
tracker item
Incorrect number of pages in forum posts
Since some time now the number of pages in forum posts is completely wrong. It seems that the blame goes to luciash who commited the following patch. It's supposed to fix the comments count but it also breaks the page count.
{CODE(wrap=y)}
---
Update of /cvsroot/tikiwiki/tiki
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv22684

Modified Files:
Tag: BRANCH-1-9
comments.php
Log Message:
fixed comments count

Index: comments.php
===================================================================
RCS file: /cvsroot/tikiwiki/tiki/comments.php,v
retrieving revision 1.31.2.25
retrieving revision 1.31.2.26
diff -u -d -r1.31.2.25 -r1.31.2.26
--- comments.php 10 Apr 2005 04:42:37 -0000 1.31.2.25
+++ comments.php 28 Apr 2005 15:15:13 -0000 1.31.2.26
@@ -464,7 +464,7 @@
$comments_offset, $_REQUEST["comments_maxComments"], $_REQUEST["comments_sort_mode"], $_REQUEST["comments_commentFind"],
$_REQUEST['comments_threshold'], $_REQUEST["comments_style"], $threadId_if_reply);

-$comments_cant = $comments_coms['cant'];
+$comments_cant = $commentslib->count_comments($comments_objectId);

$smarty->assign('comments_below', $comments_coms["below"]);
$smarty->assign('comments_cant', $comments_cant);
{CODE}
tracker item
Integrate POP3 Mail into forum not working any longer
In Tiki 4.1, the forum feature doesn't integrate any POP3 e-mail.

How to reproduce:

Create a clean installation, activate the forum function, and create a single test forum.
Set up the forum to collect e-mail from any POP3 account, that has an email waiting to be picked up.
Go to the forum page, and see that the e-mails are not integrated.
tracker item
Internal Server Error 500 on preview or save
I posted this on the Features/Usability forum pn tw.o, but it seems to be coming down to a bug or a setting.

We've been wrestling with Internal Server Error 500 for several months. We are transferring the content of a static HTML site to a TW site.

At first, we thought it had to do with the length of documents or reserved words or special characters. All of that may still be true, but what I find after exploring the Web a little is that it has to do with script failure. Apache thinks something is screwy in the content being fed to it.

Most recently, I tried to get the TW sql module to work. I set up the DSN per the instructions on doc.tw.o , assigned permissions to a group,then created a test page. I inserted one line,

OPEN CURLY BRACE SQL CLOSE CURLY BRACE (db=>memberlist) SE (NO SPACE)LECT count(*) FROM members OPEN CURLY BRACE SQL CLOSE CURLY BRACE,

then hit Preview and got Error 500 immediately. (Obviously, I've substituted words for characters like the curly brace and space. I did that so I wouldn't get Error 500 when I up load this message. And, yes, I know "up load" is one word, but if I use one word, it is likely to fail.)

We have previously gotten the Error 500 message when words like 'up load' and 'se lect' (as noted above) were in the text of the page. When those words are removed or altered, the page up loads.

It tends to happen more often when pages are long (that may be psychological. You remember the BIG failures.) which, of course, just means the odds are greater that a reserved word is used, if that's the case.

When I tried to up load the above example to tw.o, it failed three times until I had all the curly braces and suspect words broken up. I know others are having this same issue. Here's chibaguy from tw.o on his experience up loading in response to my message. (I've edited for brevity)
---------------------
chibaguy on Fri 16 Nov, 2007 08:08 CET

I tried once to reply to your post and got the 500 error when I had "se lect" in the text (with no space), and then the submit went smoothly when the space was added. A few minutes later I submitted that test post, with "se lect" intact and it also went fine. Meanwhile I found 469 instances of the word at this site, including in wiki pages and forum posts, so obviously a lot of the time having "reserved words" in posts doesn't stop the submit.
...
I've also gotten the 500 error here trying to submit a post, once in a while, but waited a little while and then could submit exactly the same post with no error.
...
I rarely get the error at other Tiki sites I use pretty intensively, but am not sure if my pattern of use just avoids the pitfalls.

-- Gary
------------------------

ricks99 on tw.o leapt on the cut and paste scenario, offering that it might be a text encoding conflict. I've had it fail, as above, with directly entered content as well as pasted content. I'm on a Mac and our host is using *nix.

Note that I'm not saying some text encoding issue isn't a part of it. In fact, I kind of suspect there is more than one culprit.

When I get one of these errors, I start reducing the up load by halves, previwing a portion at a time, until I get failure. Once I get failure, I always get failure.

We've up loaded (copy/paste) pages of documents in which one line would cause the failure. Removing the one line makes it OK. Taking the suspect portion and the remaining text and putting it into a comment page works, too.

My suspicion is that there may be a combination of "suspect" words that crosses a threshold and drops the error message on us. Maybe there's a setup issue?

I'd really like to use the SQL plugin. It would solve several problems for us. Thanks,

Bill

------

This is the third in a series of "HOW DOES IT WORK" articles describing the various systems of the TD Vixens. The first two described the engine cooling and coach heating systems. This article will describe the engine fuel system.

By Tom Picking
ENGINE FUEL & ELECTRICAL

When I first got my Vixen it was hard to start. The problem got worse until I was afraid to go anywhere. I spent several weeks studying the system and talking to other owners about what might be wrong. I tried many "fixes" hoping they would solve the problem but nothing helped. I learned a lot about the system over those weeks with the help of several people and only after fully understanding "HOW IT WORKS" was I able to find and correct the problem. VIN 0050 is stock with 110,000 miles and starts easily even after being idle for weeks. Yours should, too!

The BMW engine's Bosch fuel injection pump, in my opinion, is a work of art! It is completely mechanical using no electricity (except for the fuel shut off valve) or electronics. It is a very complex system and adjustment or repair of the fuel injection pump should be left to professionals. But if we understand howthe total system works, we should be able to determine if the problem is in the pump or some other component of the system that we can fix ourselves.

In order for a diesel engine to start and run it needs three things: Air, fuel, and heat. It is also very important to make sure that no air can mix with the fuel until the fuel gets into the combustion chamber.
AIR AND HEAT

When the starter cranks the engine, air is sucked in and compressed by the pistons. When air is compressed, it gets very hot, hot enough to ignite fuel if it is present. On very cold days the engine and the air being drawn in are much colder making it difficult for the air to reach the temperature required for ignition. This is where glow plugs come in. They are actually small electrical heaters inside each combustion chamber. They look something like a spark "plug" and when turned on they get so hot they actually "glow". The glow plugs only come on during the initial start up sequence and the amount of time you should wait before trying to start the engine is determined by the engine electronics based on the temperature of the engine. Maximum ON time is about 15 seconds. The "WAIT TO START" light on the dash indicates the glow plugs are being commanded on and the engine should not be cranked till they have had a chance to do their job. If the glow plugs are not working, the engine will still start (except on very cold days) but only with increased cranking times.
AIR AND FUEL

Air in the fuel before it is injected into the engine is a bad thing. The injector pump must be able to develop very high pressure in order to force the fuel into the combustion chamber and if air is mixed with the fuel, this high pressure cannot be achieved.

The injector pump is actually two pumps in one. The first is a low pressure priming pump that floods the primarypump chamber. Any air in this chamber is forced out of a drain line at the top of the chamber along with excess fuel flow from the priming pump. This drainline is common with the drain lines connected to the injectors in each cylinder. If any of these lines leak while the engine is off air will enter the system and fuel will drain backward through the fuel line and empty the primary chamber of the injector pump. The result is hard starting (delayed while the priming pump is filling the primary chamber) but otherwise a normal-running engine.

If there is a leak in the fuel line or the fuel filter between the injector pump and the fuel tank, air will be drawn in by the suction of the injector pump and, depending on the amount of air, the engine may start but will not run correctly under load or high speed. As reported by Charles Rausch (TD 0106) in December's issue of Fox Prints, this same symptom can be experienced if there is a severe restriction in the fuel line such as a clogged fuel filter or a clogged fuel tank filler cap air breather vent.

You can inspect the fuel entering the pump by checking the clear (after 12 years mine is yellow) plastic line connecting the fuel filter and the pump. If you see bubbles in this line while the engine is running or cranking there is a fuel line problem. If you see a large bubble in the line after the engine has been off for several minutes, this is an indication of a drain line problem and that fuel is draining backwards through the fuel line to the tank. If you tap the line, with an indication of air in it, you can watch which side the air bubbles up. That will cut the investigation in half.

Between the tank and the injector pump is a fuel filter. The stock filter has a special manual priming pump built into the head of the filter. Turning the selector head of the filter pump to "RUN" bypasses the internal check valve and makes it easier for the engine injector pump to draw fuel. Turning the head of the filter pump to "PUMP" allows manual operation. The engine will run just fine with the filter pump selected to either position if all the rest of the system is in good condition. Diesel fuel is notorious for dirt and water. The fuel filter is your protection against dirty fuel.

After I learned all of the above, my Vixen still would not start! The problem was that it was not getting fuel because of an electrical problem!

The ignition switch mounted on the steering column (a standard GM part) has several electrical contacts that perform various functions depending on the position of the key in the ignition. One of the functions is to energize the fuel shutoff solenoid valve that allows the flow of fuel to the injector pump. One of the first things I did was to check the voltage to the solenoid valve with the key in the ON position, it was OK. What I didn't realize until several weeks later is that a different set of contacts energize this valve when the key is in the START position. These contacts were defective and when the key was in START and the engine was cranking, the solenoid valve was off and no fuel was available!!!!! This condition can be measured with a voltmeter which eliminates the guess work. A new ignition switch solved the problem.

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