$.when( getPageContent( pageName ) ).done( function ( content ) {
				pageContent = content;
				pageContent = pageContent.trim();
				pageContent = cleanupTags( pageContent );
				pageContent = addLanguageBar( pageContent );
				pageContent = addTranslateTags( pageContent );
				pageContent = addNewLines( pageContent );
				pageContent = fixInternalLinks( pageContent );
				pageContent = doTemplates( pageContent );
				pageContent = doFiles( pageContent );
				pageContent = doCategories( pageContent );
				pageContent = postPreparationCleanup( pageContent );
				pageContent = pageContent.trim();
				getDiff( pageName, pageContent ).done( function ( diff ) {
					if ( diff === undefined ) {
						$messageDiv.text( mw.msg( 'pp-diff-error' ) ).removeClass( 'hide' );
						return;
					}

					$( '.diff tbody' ).append( diff );
					$( '.divDiff' ).removeClass( 'hide' );
					if ( diff !== '' ) {
						$messageDiv.text( mw.msg( 'pp-prepare-message' ) ).removeClass( 'hide' );
						$( '#action-prepare' ).addClass( 'hide' );
						$( '#action-save' ).removeClass( 'hide' );
						$( '#action-cancel' ).removeClass( 'hide' );
					} else {
						$messageDiv.text( mw.msg( 'pp-already-prepared-message' ) ).removeClass( 'hide' );
					}
				} );
			} );