extern uns debug_dump_source, debug_dump_after_proj, debug_dump_after_scaling;
extern uns debug_dump_multipolygons, debug_dump_css, debug_dump_styling, debug_dump_symbols;
extern uns debug_dump_source, debug_dump_after_proj, debug_dump_after_scaling;
extern uns debug_dump_multipolygons, debug_dump_css, debug_dump_styling, debug_dump_symbols;