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Item5605: Problems occur in some Topics of TWiki-Web after modifying the Topic TWiki.TWikiPreferences with WYSIWYG-Editor.

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AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Extension WysiwygPlugin Normal No Action Required   n/a  

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Applies To:
Current State:
Waiting For:
Target Release:
Released In:


I tried to edit with the WYSIWYG-Plugin the TWiki.TWikiPreferences topic. Even in case of no change, a click on the ‘save’ button change and destroy something in that topic. I compared with an external windows-tool the two topics and I found a lot auf changes. For example: the WYSIWYG-Editor inserts into TWiki.TWikiPreferences some empty bullets like that:

Before save:
              * [some text]

After save:

              * [some text]

But that isn’t the biggest problem. Usually, the system works very well but after just one save of the TWiki.TWikiPreferences topic with the WYSIWYG-Editor it is impossible to open the TWiki.TWikiVariables topic. The system cpu-usage is for a very long time (maybe forever) about 95 – 100 % and of course there is no more answer from the webserver.
I tried that a lot of times and I am sure that the problem is the WISIWYG-Editor in combination of TWiki.TWikiPreferences topic. Curiously, the TWiki.TWikiWebPreferences topic is still working.
By the way, the raw-edit mode on my system is no problem for TWiki.TWikiWebPreferences.

My system:

  • TWiki 4.2.0
  • Apache2.2
  • Active perl 5.8.3
  • Windows XP prof. SP2

Well, I'll start by pointing out that you should never edit TWiki.TWikiPreferences. Local site preferences should be stored in Main.TWikiPreferences, and the system web left as read-only.

That out of the way, the behaviour you describe for lists is correct; when you indent six spaces you are creating an implicit list level at three spaces. It's impossible for the WYSIWYG to know if this was intentional or not, so it makes the implicit level explicit so you know what you did. It doesn't affect the function of TWiki variables in any way.

There was an issue with line endings that can affect preferences topics. However with the latest WysiwygPlugin and TinyMCEPlugin downloaded from TWiki.org I don't see any problem, so I suggest you upgrade these plugins and go from there. I followed the steps you described above and while loading TWikiVariables wasn't fast, it worked fine.

Set for feedback from reporter.

-- CrawfordCurrie - 07 May 2008

I tried again with the old version (16174) of WYSIWYGPlugin and TinyMCEPlugin (16268), the problem is still there. With the new version (16720) and (16767) the system is working without any problems.

-- RichardBrunauer - 10 May 2008

-- TWiki:Main.RichardBrunauer - 10 May 2008

OK, closing this no action then. Please flip reports back to 'New' status after you have provided feedback, so we know feedback has been given.

-- CrawfordCurrie - 10 May 2008

Summary Problems occur in some Topics of TWiki-Web after modifying the Topic TWiki.TWikiPreferences with WYSIWYG-Editor.
ReportedBy TWiki:Main.RichardBrunauer
Codebase 4.2.0
SVN Range TWiki-5.0.0, Sun, 04 May 2008, build 16770
AppliesTo Extension
Component WysiwygPlugin
Priority Normal
CurrentState No Action Required


TargetRelease n/a

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Topic revision: r4 - 2008-05-10 - CrawfordCurrie
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