I want to know about blogger template language

Question

i'm looking some syntax.

<b:includable id='main'>

<b:loop values='data:posts' var='post'>
</b:loop>

</b:includable>
</b:widget>
</b:section>
<data:post.id/>

<b:if cond='data:post.dateHeader'>
</b:if>

This is mixed any programming language? I need to know this syntax language name? Who create this language? Where i find help about this syntax language? this language same as other programming language?

Tell me please? I can't found help about this language.

Answer 1

You can find information on Blogger Help.

See for example: Widget Tags for Layouts

Answer 2

This: http://www.google.com/support/blogger/bin/answer.py?hl=en&answer=42095 is a fairly comprehensive guide to all the relevant tags in Blogger's template language.