/**
	 * Returns an array with common header and footer system message
	 * parameters.
	 */
	public function getMsgParams( $extended = false, $pout = null ) {
		global $wgContLang, $wgWikilogEnableTags;

		$authors = array_keys( $this->mAuthors );
		$authorsFmt = WikilogUtils::authorList( $authors );
		$commentsFmt = WikilogUtils::getCommentsWikiText( $this );

		$categories = array();
		$categoriesFmt = '';
		$tags = array();
		$tagsFmt = '';

		if ( $extended ) {
			if ( $pout !== null ) {
				$categories = $pout->getCategoryLinks();
				if ( count( $categories ) > 0 ) {
					$categoriesFmt = wfMsgExt( 'wikilog-summary-categories',
						array( 'content', 'parsemag' ),
						count( $categories ),
						WikilogUtils::categoryList( $categories )
					);
				} else {
					$categoriesFmt = wfMsgExt( 'wikilog-summary-uncategorized',
						array( 'content', 'parsemag' )
					);
				}
			}
			if ( $wgWikilogEnableTags ) {
				$tags = array_keys( $this->mTags );
				$tagsFmt = WikilogUtils::tagList( $tags );
			}
		}

		list( $date, $time, $tz ) = WikilogUtils::getLocalDateTime( $this->mPubDate );

		/*
		 * This is probably the largest amount of parameters to a
		 * system message in MediaWiki. This is the price of allowing
		 * the user to customize the presentation of wikilog articles.
		 */
		return array(
			/* $1  */ $this->mParentTitle->getPrefixedURL(),
			/* $2  */ $this->mParentName,
			/* $3  */ $this->mTitle->getPrefixedURL(),
			/* $4  */ $this->mName,
			/* $5  */ count( $authors ),
			/* $6  */ ( count( $authors ) > 0 ? $authors[0] : '' ),
			/* $7  */ $authorsFmt,
			/* $8  */ $date,
			/* $9  */ $time,
			/* $10 */ $commentsFmt,
			/* $11 */ count( $categories ),
			/* $12 */ $categoriesFmt,
			/* $13 */ count( $tags ),
			/* $14 */ $tagsFmt,
			/* $15 */ $tz
		);
	}