What is Entity escape?
 

Characters used to replace symbols when the search crawler is stopped by a specific character.

Entity escape means to change the particular symbols in entity escape code. The reason behind to do the same is that it will sometimes become harder to markup them by search engine crawler. So it is better to use entity escape codes rather than special characters such as &, <. >," and ' etc.

By escaping characters in HTML, the browser doesn't process them but still then we do come across instances where characters we have provided in the content is actually treated as code by the browsers. This is especially true when working with XML or XHTML.
In XML there are five characters entity references ( greater than >, less than <, ampersand &,quotation " and apostrophe ' ) that need to be escaped or the browser/parser doesn't treat them as markup. In these instances you must use entity escape code rather than the characters.

Characters used to replace symbols when the search crawler is stopped by a specific character.

Thank you Chitra, it was really something important that we should consider.i found it very helpful.

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The Sitemap protocol format consists of XML tags. All data values in a Sitemap must be entity-escaped.

entity escape
 

Most of us are aware of how to escape characters in HTML, so that the browser doesn't process them but still then we do come across instances where characters we have provided in the content is actually treated as code by the browsers. This is especially true when you are working with XML or XHTML ( for instance, your application is generating an XML file).

Most of us are aware of how to escape characters in HTML, so that the browser doesn't process them but still then we do come across instances where characters we have provided in the content is actually treated as code by the browsers.

Does search engine crawlers can read the replaced thing as symbol or just like what is showing in the HTML?