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Item6840: Web names that are WikiWords make for broken links when including topics across webs

Item Form Data

AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Engine   Normal Closed   patch 5.1.2

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


When refering to a topic in another web the normal syntax to use would be Web.Topic.

If the web name is a WikiWord then the link can break.

For example AfricaMap.Webhome is shown as Main.AfricaMap

-- TWiki:Main/PeterJones - 2012-01-25

This is confirmed. To reproduce:

  • Create topic with WikiWords in the Sandbox web
  • Include that topic into a topic that resides in another web
  • Links get fixed as follows:
    • WebNotify to Sandbox.WebNotify (OK)
    • Main.WebNotify to Main.WebNotify (OK)
    • WikiWordWebName.WebNotify to Sandbox.WikiWordWebName.WebNotify (bug) - expected WikiWordWebName.WebNotify

-- TWiki:Main.PeterThoeny - 2012-01-26

This is now fixed in SVN trunk and TWiki-5.1 branch.

--- TWiki.pm   (revision 22576)
+++ TWiki.pm   (working copy)
@@ -2063,8 +2063,12 @@
     my $fromWeb = $options->{web};
     unless( $options->{in_noautolink} ) {
+        # Prefix web name to WikiWord to make links work, such as:
         # 'TopicName' to 'Web.TopicName'
+        # TWikibug:Item6840: Exclude 'WikiWordWeb.TopicName' using translation token
+        $text =~ s/(?:^|(?<=[\s(]))($regex{webNameRegex}\.($regex{wikiWordRegex}|$regex{abbrevRegex}))/-$TranslationToken$1)/go;
         $text =~ s#(?:^|(?<=[\s(]))($regex{wikiWordRegex})#$fromWeb.$1#go;
+        $text =~ s/-$TranslationToken//go;
     # Handle explicit [[]] everywhere

-- TWiki:Main.PeterThoeny - 2012-01-26

Summary Web names that are WikiWords make for broken links when including topics across webs
ReportedBy TWiki:Main.PeterJones
Codebase ~twiki4, 5.1.1
SVN Range TWiki-5.1.0, Wed, 11 Jan 2012, build 22471
AppliesTo Engine

Priority Normal
CurrentState Closed

Checkins TWikirev:22595 TWikirev:22596
TargetRelease patch
ReleasedIn 5.1.2
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Topic revision: r7 - 2012-10-07 - PeterThoeny
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