* display.c (display): Handle cell_symbol_quote as symbol.
* display.c (display): Handle keyword. * mes.c (type_t): Add KEYWORD. (eq_p): Handle it. (make_keyword): New function. * reader.c (lookup): Use it. * type.c (keyword_p): New function. * NEWS: Update.
* mes.c: Remove cache, display, reader functions. * cache.c: New file. * display.c: New file. * reader.c: New file.