Magento XML $this->getChildHtml() necessary?

NogSmollamp

New Member
I have edited the following file, to move the newsletter to the footer instead of the sidebar\[code\]app/design/frontend/base/default/layout/newsletter.xml\[/code\]I changed the following code:\[code\]<reference name="left"> <block type="newsletter/subscribe" name="left.newsletter" template="newsletter/subscribe.phtml"/> </reference>\[/code\]to:\[code\]<reference name="footer">\[/code\]Why did I not need to add \[code\]$this->getChildHtml('newsletter')\[/code\]or similar to footer.phtml?I am unsure when to use getChildHtml() and when not to.Are all the steps necessary in Exercise#2 of this article ?
Thanks.
 
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