[theme-reviewers] $content_width

[Srikanth Koneru]

Since we are required to put $content_width in setup function, should it be
declared as global or is it not necessary?

function themename_setup() {
global $content_width;
if ( ! isset( $content_width ) ){
      $content_width = 640;
}
}
add_action( 'after_setup_theme', 'themename_setup' );
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