What is jsp-config in deployment descriptor?

jsp-config element is used to configure different parameters for JSP pages. Some of it’s usage are:

• Configuring tag libraries for the web application like below.

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  <jsp-config>         <taglib>             <taglib-uri>http://journaldev.com/jsp/tlds/mytags</taglib-uri>             <taglib-location>/WEB-INF/numberformatter.tld</taglib-location>         </taglib> </jsp-config>

• We can control scripting elements in JSP pages.
• We can control JSP Expression Language (EL) evaluation in JSP pages.
• We can define the page encoding for URL pattern.
• To define the buffer size to be used in JSP page out object.
• To denote that the group of resources that match the URL pattern are JSP documents, and thus must be interpreted as XML documents.