. , . , , \\\\\\\\n(ch. - A.1 A , 1 , .++ RA '''\\\\\\\\n(ch.%'. (, , ..) .+c. .+c T T. - \n(ch. .+c . .$c. - . T , .$c ; " - ", . .$c .$C - 15 - . 1. .$c T ( \n(ch) T. . $C, - . .$C K N T .$c. , , , - . K , "" "" ( .++); N , T - . .ac A N ( .acm) - nroff, , ACM. 25% , . A - ( , ), N. , /usr/lib/me/acm.me, - ACM. 12. \** , [ \n($f]. .)f. \*# . [\n($d]. \*[ . , - , - , (`['). , , , . - 16 - \*] . \*[. , , : x\*[2\*], : x[2]. \*<&lt; . `<' - . , - , - . \*>&gt; . \*<&lt;. \*(dw . \*(mo . \*(td : 26 - 1988 . , \n(dy ( ; , 26), \*(mo ( ) or \n(mo ( , - ; , 26 26/9), \n(yr ( ). \*(lq ( ). nroff . \*(rq ( ). \*- 3/4 EM troff; nroff. - 17 - 1. ..................... 2 2. ................................ 3 3. ...................... 5 4. ............................................. 7 5. .......... 8 6. ................................. 10 7. .................................. 10 8. roff .................... 12 9. .......................... 13 10. ................................ 14 11. ................. 14 12. ........................... 16 - 18 -