Item9289 < Tasks

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Our backlinks feature is flawed.

There are several problems

   * If you have a topic called "Hello++Hello" the search code barfs because of the + signs in a regex.
   * If the topic name you search for is part of an I18N word like SuperDuperØsters then it finds SuperDuper as a backlink because it does not see the Ø as a letter. Same with accented characters.

There are two problems.

First the regex search cannot handle regex characters. We need to escape the regex characters of %TOPIC.  Maybe we need a BACKLINKS macro which can be defined only in template land where we can escape the regex characters in TOPIC?

2nd the regex in the backlinks templates has a [A-Za-z0-9] in them.

We cannot use A-Z in ANY regex in our user interface. Most countries in this world has other characters then A-Z.

Even if we cannot get it perfect, we can at least make it near perfect. We probably have to use a character class. Maybe a negative one that lists all the characters we do not see as part of a topic name. We are depending on the name filter and I am not sure we can get to this. But at least we can use the default. Not many admins will ever change the namefilter anyway.



-- Main.KennethLavrsen - 09 Jul 2010



Defer to 1.1.5

-- %USERSWEB%.GeorgeClark - 13 Dec 2011

Defer to 2.0.  UTF8 core rework is planned for a major release.

-- Main.GeorgeClark - 18 Feb 2012
%COMMENT%

ItemTemplate edit

Summary	Backlink search is A-Z centric and cannot handle I18N or special characters
ReportedBy	KennethLavrsen
Codebase	1.1.4, trunk
SVN Range
AppliesTo	Engine
Component	I18N
Priority	Normal
CurrentState	Confirmed
WaitingFor
Checkins	Foswikirev:8094
TargetRelease	major
ReleasedIn	2.0.0
CheckinsOnBranches
trunkCheckins
Release01x01Checkins

Topic revision: r5 - 18 Feb 2012, GeorgeClark

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