Hyperlinks in Comments

How does one add hyperlink to the comment on a Blog?

I saw an hyperlinked comment first on this blog for this post. Thats it, I wanted to know how that is done. It hardly took few minutes to know that its the regular html code inserted into comment form. Once done, automatically blogger renders it in html. Never knew this, great to know it! :)

Ex. adding a hyperlink:

< a href =" url">text to display < / a> (without spaces)

replace url with:
http://powerandcontrol.blogspot.com/2007/06/introduction-to-blogging.html
leave the quote marks

replace text to display
with:
An Introduction To Blogging

An Introduction To Blogging

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Here is an useful post on

Keeping comment spam off your site and away from users