I was wondering why this line is being used in all the page of the html , PHP or even pages which was created by any language .
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
is this mandatory or any specific purpose
I was wondering why this line is being used in all the page of the html , PHP or even pages which was created by any language .
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
is this mandatory or any specific purpose
http://www.w3.org/TR/html401/struct/global.html#edef-HTML
It is the root element of any html document
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