Post Format: Image
You can use this page to test the Theme's handling of the gallery shortcode, including the columns parameter, from 1 to 9 columns. Themes are only required to s...
Post Format: Video (WordPress.tv)
https://wordpress.tv/2009/03/16/anatomy-of-a-wordpress-theme-exploring-the-files-behind-your-theme/
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Edge Case: Many Categories
This post has many categories.
