In this Lullabot Module Monday lesson we are introduced to the Publish Button module. It's a simple problem, but a serious one. You've put your content editors in front of Drupal for the first time, and they can understand the node form without any problems. They understand taxonomy terms, grok menus and node references… but they get nervous when it's time to save their work. "Will... will this be published as soon as I click 'save?'" Normally, there's no good way to make the distinction between saving and publishing a piece of content explicit. Site builders can set a content type to be unpublished by default, then give editors the broad "administer nodes" permission, but that's clumsy solution that forces editors to dig for what should be a simple action: publishing or unpublishing a post. That's where the Publish Button module comes in.
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This video covers a topic in Drupal 7 which may or may not be the version you're using. We're keeping this tutorial online as a courtesy to users of Drupal 7, but we consider it archived.