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Posted to dev@tapestry.apache.org by "Lenny Primak (Created) (JIRA)" <ji...@apache.org> on 2011/10/22 11:28:32 UTC

[jira] [Created] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Zone updates fail due to underscore.js critical bug
---------------------------------------------------

                 Key: TAP5-1716
                 URL: https://issues.apache.org/jira/browse/TAP5-1716
             Project: Tapestry 5
          Issue Type: Bug
          Components: tapestry-core
    Affects Versions: 5.3, 5.4
            Reporter: Lenny Primak
            Priority: Critical


Zone updates that reload scripts fail due to scripts reloading multiple times.
This is due to underscore.js _contains() bug which Tapestry just started using.

When another JS library overrides Array.prototype.indexOf, the code that
has the bug is executed.  It is not executed otherwise.

Basically, _.contains() never returns true in this case, which leads
to multiple reloads of stylesheets and scripts.

I also submitted this patch to underscore.js developers.
Patch is included.

*** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
--- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
***************
*** 198,205 ****
      var found = false;
      if (obj == null) return found;
      if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
!     found = any(obj, function(value) {
!       if (value === target) return true;
      });
      return found;
    };
--- 198,205 ----
      var found = false;
      if (obj == null) return found;
      if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
!     any(obj, function(value) {
!       if (found = value === target) return true;
      });
      return found;
    };


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[jira] [Commented] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Lenny Primak (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134398#comment-13134398 ] 

Lenny Primak commented on TAP5-1716:
------------------------------------

This patch is now incorporated in underscore.js versions > 1.2.0
Thanks!
                
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>             Fix For: 5.3
>
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Commented] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Hudson (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134223#comment-13134223 ] 

Hudson commented on TAP5-1716:
------------------------------

Integrated in tapestry-trunk-freestyle #602 (See [https://builds.apache.org/job/tapestry-trunk-freestyle/602/])
    TAP5-1716: Zone updates fail due to underscore.js critical bug

hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1188194
Files : 
* /tapestry/tapestry5/trunk/tapestry-core/src/main/resources/org/apache/tapestry5/underscore_1_1_7.js

                
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>             Fix For: 5.3
>
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Commented] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Lenny Primak (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134398#comment-13134398 ] 

Lenny Primak commented on TAP5-1716:
------------------------------------

This patch is now incorporated in underscore.js versions > 1.2.0
Thanks!
                
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>             Fix For: 5.3
>
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Closed] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Howard M. Lewis Ship (Closed) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Howard M. Lewis Ship closed TAP5-1716.
--------------------------------------

       Resolution: Fixed
    Fix Version/s: 5.3
    
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>             Fix For: 5.3
>
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Assigned] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Howard M. Lewis Ship (Assigned) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Howard M. Lewis Ship reassigned TAP5-1716:
------------------------------------------

    Assignee: Howard M. Lewis Ship
    
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Commented] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Howard M. Lewis Ship (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134117#comment-13134117 ] 

Howard M. Lewis Ship commented on TAP5-1716:
--------------------------------------------

In the future, please provide patches as attachments, not inline. It helps with formatting, and also ensure that you have assigned the necessary rights to the ASF.  Thank for the patch!
                
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Closed] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Howard M. Lewis Ship (Closed) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Howard M. Lewis Ship closed TAP5-1716.
--------------------------------------

       Resolution: Fixed
    Fix Version/s: 5.3
    
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>             Fix For: 5.3
>
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Commented] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Hudson (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134223#comment-13134223 ] 

Hudson commented on TAP5-1716:
------------------------------

Integrated in tapestry-trunk-freestyle #602 (See [https://builds.apache.org/job/tapestry-trunk-freestyle/602/])
    TAP5-1716: Zone updates fail due to underscore.js critical bug

hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1188194
Files : 
* /tapestry/tapestry5/trunk/tapestry-core/src/main/resources/org/apache/tapestry5/underscore_1_1_7.js

                
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>             Fix For: 5.3
>
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Commented] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Howard M. Lewis Ship (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134117#comment-13134117 ] 

Howard M. Lewis Ship commented on TAP5-1716:
--------------------------------------------

In the future, please provide patches as attachments, not inline. It helps with formatting, and also ensure that you have assigned the necessary rights to the ASF.  Thank for the patch!
                
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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[jira] [Assigned] (TAP5-1716) Zone updates fail due to underscore.js critical bug

Posted by "Howard M. Lewis Ship (Assigned) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/TAP5-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Howard M. Lewis Ship reassigned TAP5-1716:
------------------------------------------

    Assignee: Howard M. Lewis Ship
    
> Zone updates fail due to underscore.js critical bug
> ---------------------------------------------------
>
>                 Key: TAP5-1716
>                 URL: https://issues.apache.org/jira/browse/TAP5-1716
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.3, 5.4
>            Reporter: Lenny Primak
>            Assignee: Howard M. Lewis Ship
>            Priority: Critical
>
> Zone updates that reload scripts fail due to scripts reloading multiple times.
> This is due to underscore.js _contains() bug which Tapestry just started using.
> When another JS library overrides Array.prototype.indexOf, the code that
> has the bug is executed.  It is not executed otherwise.
> Basically, _.contains() never returns true in this case, which leads
> to multiple reloads of stylesheets and scripts.
> I also submitted this patch to underscore.js developers.
> Patch is included.
> *** new/org/apache/tapestry5/underscore_1_1_7.js	2011-10-22 05:10:36.000000000 -0400
> --- old/org/apache/tapestry5/underscore_1_1_7.js	2011-08-06 12:27:18.000000000 -0400
> ***************
> *** 198,205 ****
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     found = any(obj, function(value) {
> !       if (value === target) return true;
>       });
>       return found;
>     };
> --- 198,205 ----
>       var found = false;
>       if (obj == null) return found;
>       if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
> !     any(obj, function(value) {
> !       if (found = value === target) return true;
>       });
>       return found;
>     };

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