code/SEO_Metadata_SiteTree_DataExtension.php
public function GenerateExtraMeta()
    {
        if ($this->owner->ExtraMeta) {
            return $this->owner->ExtraMeta . PHP_EOL;
        } else {
            return $this->owner->MarkupComment('none');
        }
    }
public function GenerateExtraMeta()
    {
        if ($this->owner->ExtraMeta) {
            return $this->owner->ExtraMeta . PHP_EOL;
        } else {
            return $this->owner->MarkupComment('none');
        }
    }
public function GenerateExtraMeta ( ) { if ( $ this -> owner -> ExtraMeta ) { return $ this -> owner -> ExtraMeta . PHP_EOL ; } else { return $ this -> owner -> MarkupComment ( 'none' ) ; } }
Generates extra metadata.

@return string
Generates extra metadata .