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https://issues.apache.org/jira/browse/TILES-571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13807057#comment-13807057
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Mck SembWever commented on TILES-571:
-------------------------------------

Regarding TilesConfigurer, that's spring and the documentation update belongs 
in either
  
http://docs.spring.io/spring/docs/3.2.x/javadoc-api/org/springframework/web/servlet/view/tiles3/TilesConfigurer.html
  or 
http://docs.spring.io/spring/docs/3.2.x/spring-framework-reference/html/view.html#view-tiles-integrate

At Tiles i think the following page needs this information: 
http://tiles.apache.org/framework/config-reference.html
 but i'm unsure where to put it in or what will make most sense.
 [~analogkid76] Being new to this and seeing this documentation from the 
newcomer's perspective i'd appreciate your opinion on how this page really 
should be improved.

> Please make the significance of underscore (_) in tiles definition filename 
> more obvious
> ----------------------------------------------------------------------------------------
>
>                 Key: TILES-571
>                 URL: https://issues.apache.org/jira/browse/TILES-571
>             Project: Tiles
>          Issue Type: Task
>    Affects Versions: 3.0.1
>         Environment: Apache Tomcat 7.0.42, JSE 1.7.0_45, Windows
>            Reporter: Eric E
>            Assignee: Mck SembWever
>            Priority: Minor
>
> In reading the Tiles documentation, it was not obvious to me that including 
> an underscore (_) in my tiles definition filename would cause Tiles to 
> interpret whatever follows the underscore as a locale.
> For example, in my TilesConfigurer configuration, I had the following:
> {code}
>     <bean id="tilesConfigurer" 
> class="org.springframework.web.servlet.view.tiles3.TilesConfigurer">
>         <property name="definitions">
>             <list>
>                 <value>/WEB-INF/templates/layouts.xml</value>
>               <value>/WEB-INF/views/base_views.xml</value>
>              </list>
>         </property>
>     </bean>
> {code}
> This caused Tiles, apparently, to assign the Locale "views" to the second 
> definition.  This was clearly not what I intended, and the side effect of 
> this was that Tiles discarded the second definition, and my view contained in 
> that definition could not be resolved.
> Only after spending some time with a debugger did I discover the code in 
> org.apache.tiles.request.locale.PostfixedApplicationResource that causes this 
> behaviour.
> It would be nice if the documentation more clearly warns developers about 
> this so that others do not have to go through the same trouble.



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