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Item5215: Add unit test for deprecated definition list syntax.

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AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Engine Text Formatting Rules Low New   minor 4.2.0

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


When using a colon in a list item that spans multiple-lines, the colon will incorrectly force a line-break.

This code:

   * This is a list that will break%BR%
   Dates: 01/01/08 - 02/02/08

   * This is a list that will render correctly, as it doesn't have a colon.%BR%
   Dates 01/01/08 - 02/02/08


  • This is a list that will break
1/01/08 - 2/02/08

  • This is a list that will render correctly, as it doesn't have a colon.
    Date 1/01/08 - 2/02/08

This behaviour isn't mentioned in TWiki:TWiki/TextFormattingRules, so I can only assume it's a bug.

-- TWiki:Main/ChrisFLewis - 06 Jan 2008

This is actually an undocumented legacy feature. TWiki used to have this definition for definition lists: Three spaces, term, colon, space, defintion. Your example with "Date" matches that pattern.

See old syntax defined at http://twiki.org/cgi-bin/view/TWiki/TextFormattingRules?rev=51

We need to support legacy content (there are tens of millions of pages out there.)

Workaround: Add one or two more spaces before "date".

-- TWiki:Main.PeterThoeny - 06 Jan 2008

re-opening, as there are 3 spaces before the "date".

-- SvenDowideit - 07 Jan 2008

even presuming that we should continue to support this format, it would then need to be documented, and a unit test added.

So either way, it needs actioning.

-- TWiki:Main.SvenDowideit - 07 Jan 2008

  • This is a list that will not break
    Dates: 01/01/08 - 02/02/08

This bug is about one space more or less, right? We have more than one problem with spaces in TWiki. frown IMHO this one doesn't classify as release blocker.

-- TWiki:Main.FranzJosefGigler - 07 Jan 2008

It is documented also in the current TextFormattingRules and clearly marked as deprecated syntax.

Adding a unit test. Noone will argue against that. Maybe it is already there? Like the doc. But it is for sure not a release blocker now we know that it is properly documented.

Changed the headline to the current nature of the bug.

-- TWiki:Main.KennethLavrsen - 07 Jan 2008

Summary Add unit test for deprecated definition list syntax.
ReportedBy TWiki:Main.ChrisFLewis
Codebase 4.2.0
SVN Range

AppliesTo Engine
Component Text Formatting Rules
Priority Low
CurrentState New


TargetRelease minor
ReleasedIn 4.2.0
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Topic revision: r5 - 2008-01-07 - KennethLavrsen
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