spring mvc - title not populating from content page -

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i using thymeleaf spring-mvc create template in application. have created 3 files (head, layout , content) below;

head.html

<title>layout<title>

layout.html

<html xmlns="http://www.w3.org/1999/xhtml"      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">  <head th:include="head"></head> </html>

content.html

<html layout:decorator="layout" xmlns="http://www.w3.org/1999/xhtml"   xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">   <head>     <title>content</title>   </head> </html>

setup, when run application , open content.html page see title "layout" instead of "content".

am doing wrong in configuration?

specific answer

in layout files title, make title content

<title layout:title-pattern="$content_title"></title>

further description

lets assume application main title "my web" , viewing page content title "content"

to make page display title "my web - content"

layout file

<title layout:title-pattern="$decorator_title - $content_title">my web</title>

contentfile

<html layout:decorator="layout" xmlns="http://www.w3.org/1999/xhtml"   xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">   <head>     <title>content</title>   </head> </html>

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