This function takes a string that is evaluated as per Conky's TEXT section, and then returns a string with the result. Sets Conky's update interval (in seconds) to 'number'. This table contains some information about Conky's window. The following table describes the values contained: drawable visual display width height border_inner_margin border_outer_margin border_width text_start_x text_start_y text_width text_height NOTE: This table is only defined when X support is enabled. This table contains some information about Conky's internal data. The following table describes the values contained: update_interval A string containing the build info for this particular instance of Conky, including the version, build date, and architecture. A string containing the build date for this particular instance of Conky. A string containing the build architecture for this particular instance of Conky. A string containing the version of the current instance of Conky. A string containing the path of the current Conky configuration file. Call this function to return a new cairo_text_extents_t structure. A creation function for this structure is not provided by the cairo API. After calling this, you should use tolua.takeownership() on the return value to ensure ownership is passed properly. Call this function to return a new cairo_font_extents_t structure. A creation function for this structure is not provided by the cairo API. After calling this, you should use tolua.takeownership() on the return value to ensure ownership is passed properly. Call this function to return a new cairo_matrix_t structure. A creation function for this structure is not provided by the cairo API. After calling this, you should use tolua.takeownership() on the return value to ensure ownership is passed properly. Call this function to free memory allocated by cairo_text_extents_t:create. Call this function to free memory allocated by cairo_font_extents_t:create. Call this function to free memory allocated by cairo_matrix_t:create.