(set_image_of_range_1): New function. (set_image_of_range): Use set_image_of_range_1 for Latin-1. Return a value to indicate running out of memory. (SET_RANGE_TABLE_WORK_AREA): Check value from set_image_of_range. (extend_range_table_work_area): New subroutine. (EXTEND_RANGE_TABLE): Replaces EXTEND_RANGE_TABLE_WORK_AREA. Different calling conventions, and used from set_image_of_range{,_1}. (IMMEDIATE_QUIT_CHECK): Definitions moved.