.getStringProperty( module, MasterPage.WIDTH_PROP );
.getStringProperty( module, IMasterPageModel.WIDTH_PROP );
	private List doValidate( Module module, MasterPage toValidate )	{		List list = new ArrayList( );			String type = toValidate.getStringProperty( module, MasterPage.TYPE_PROP );		String height = toValidate.getStringProperty( module,				MasterPage.HEIGHT_PROP );		String width = toValidate				.getStringProperty( module, MasterPage.WIDTH_PROP );		// if type is CUSTOM type, height and width must be specified.		if ( DesignChoiceConstants.PAGE_SIZE_CUSTOM.equalsIgnoreCase( type ) )		{			// if type is CUSTOM type, height and width must be specified.			if ( StringUtil.isBlank( height ) || StringUtil.isBlank( width ) )			{				list.add( new SemanticError( toValidate,						SemanticError.DESIGN_EXCEPTION_MISSING_PAGE_SIZE ) );			}		}		return list;	}