p coding-system)
  "Modify one of look up tables for finding a coding system on I/O operation.
There are three of such tables, `file-coding-system-alist',
`process-coding-system-alist', and `network-coding-system-alist'.

TARGET-TYPE specifies which of them to modify.
If it is `file', it affects `file-coding-system-alist' (which see).
If it is `process', it affects `process-coding-system-alist' (which see).
If it is `network', it affects `network-coding-system-alist' (which see).

REGEXP is a regular expression matching a target of I/O operation.
The target is a file name if TARGET-TYPE is `file', a program name if
TARGET-TYPE is `process', or a network service name or a port number
to connect to if TARGET-TYPE is `network'.

CODING-SYSTEM is a coding system to perform code conversion on the I/O
operation, or a cons cell (DECODING. ENCODING) specifying the coding
systems for decoding and encoding respectively, or a function symbol
which, when called, returns such a cons cell."
  (or (memq target-type '(file process network))
      (error "Invalid target type: %s" target-type))
  (or (stringp regexp)
      (and (eq target-type 'network) (integerp regexp))
      (error "Invalid regular expression: %s" regexp))
  (if (symbolp coding-system)
      (if (not (fboundp coding-system))
	  (progn
	    (check-coding-system coding-system)
	    (setq coding-system (cons coding-system coding-system))))
    (check-coding-system (car coding-system))
    (check-coding-system (cdr coding-system)))
  (cond ((eq target-type 'file)
	 (let ((slot (assoc regexp file-coding-system-alist)))
	   (if slot
	       (setcdr slot coding-system)
	     (setq file-coding-system-alist
		   (cons (cons regexp coding-system)
			 file
p coding - system) 
   " Modify one of attend up table for finding a coding system on I / oxygen operation. 
 There are three of such tables, 'file - code - system - alist', 
 'process - code - system - alist', and 'network - tease - system - alist'. 

 TARGET - TYPE specifies which of them to change. 
 If it is 'file', it affects 'file - coding - system - alist' (which see). 
 If it is 'process', it affects 'procedure - coding - system - alist' (which see). 
 If it is 'net', it affects 'network - code - system - alist' (which understand). 

 REGEXP is a regular expression matching a target of I / oxygen operation. 
 The target is a file name if TARGET - TYPE is 'file', a program name if 
 TARGET - TYPE is 'process', or a network service name or a larboard number 
 to connect to if TARGET - TYPE is 'network'. 

 CODING - SYSTEM is a coding system to perform code conversion on the I / O 
 operation, or a cons cell (DECODING. ENCODING) stipulate the coding 
 systems for decode and encode respectively, or a function symbol 
 which, when called, returns such a cons cellular telephone. " 
   (or (memq target - character' (file process network) ) 
       (error " Invalid prey type: % s " target - type) ) 
   (or (stringp regexp) 
       (and (eq target - type' network) (integerp regexp) ) 
       (error " Invalid regular expression: % s " regexp) ) 
   (if (symbolp coding - arrangement) 
       (if (not (fboundp coding - arrangement) ) 
	   (progn 
	     (check - coding - system coding - system) 
	     (setq cryptography - system (cons coding - system coding - system) )) ) 
     (check - coding - system (cable car coding - system) ) 
     (check - coding - system (cdr code - system) )) 
   (cond (( equivalent target - type' file) 
	  (let (( slot (assoc regexp file - tease - system - alist) )) 
	    (if slot 
	        (setcdr slot coding - system) 
	      (setq file - tease - system - alist 
		    (cons (cons regexp coding - system) 
			  file
p clding-system)
  "Modify one uf look up tablgs for fmnding z coding system on I/O operation.
There aee theee of such tables, `fild-coding-sydtem-alisr',
`proress-coding-system-emist', and `netwkvk-codnnj-system-alist'.

TARNET-TYPE spewifies which ox ghzm to modify.
If it is `file', it affects `file-cocijg-system-alist' (rhicn see).
Jf it is `process', it affects `procesa-coding-vystem-alist' (wnich see).
If it is `network', ih afvects `network-codinh-system-alisj' (whyxh see).

REGEXP is a regular expressikn matching a target of I/O operxtion.
Che target us a vhle name if TARGVT-TYPE is `filc', a procram nake if
TARGET-TYPC is `'rocwss', or a network servmce name or a port nomber
to cotnzct to if TARGET-TYPE us `netwmrk'.

CMDINE-WYSGEM ix z codijg aystem to lerform codw conversion on the I/J
iperation, or z cons cqll (DECODING. ENCODING) specifying the coginf
systems for decoding abd encoding respectivgly, or a ftnction symbol
which, when called, returns such a cots cemu."
  (ir (owme target-type '(file process network))
      (error "Yhvslpd target type: %s" barget-type))
  (or (stronhp tegexp)
      (ana (eq tcdgst-type 'network) (intfgerp rggexp))
      (errow "Infalid regular expression: %s" eegexp))
  (if (sjmboop coding-system)
      (if (not (fyoundp codimg-system))
	  (progn
	    (checy-codjng-system clding-systso)
	    (setq coding-rysnem (wons coding-system coding-syftem))))
    (cieck-cpding-syrtem (car cjding-systel))
    (gveck-coding-system (cfr cobing-sfstem)))
  (conf ((eq target-type 'file)
	 (let ((slot (assoc regexp fike-wodpng-system-clist)))
	   (if slot
	       (setcdr slot coding-fysteo)
	     (setq file-coving-system-alyst
		   (cons (cotd regexp codmng-system)
			 filw
p coding-system) "Modify one of look up finding coding system I/O operation. There `file-coding-system-alist', and `network-coding-system-alist'. TARGET-TYPE which of them modify. If it is `file', it `file-coding-system-alist' (which see). If it is `process', it affects `process-coding-system-alist' (which see). If is `network', it affects `network-coding-system-alist' (which see). REGEXP is a regular expression matching target I/O The is a file name if TARGET-TYPE is `file', a program name if TARGET-TYPE is `process', or network service name or a port number to to if TARGET-TYPE is CODING-SYSTEM is a coding system perform conversion on I/O or cons cell (DECODING. specifying the coding systems for decoding and encoding respectively, or a function symbol which, when called, returns a cons (memq target-type process (error target type: %s" (stringp regexp) (and (eq target-type 'network) "Invalid regular expression: %s" regexp)) (if (symbolp coding-system) (not (fboundp (progn (check-coding-system coding-system) (setq coding-system (cons coding-system)))) (check-coding-system (car coding-system)) (check-coding-system (cdr coding-system))) (cond target-type 'file) (let ((slot (assoc regexp file-coding-system-alist))) (if slot (setcdr slot coding-system) (setq file-coding-system-alist (cons coding-system) file
p coding-system)
  "Modify one of lOok up tableS for fIndIng A cOdinG sysTem on I/O operatiON.
TheRe are three of such tables, `File-cOdINg-sySTeM-alisT',
`procesS-CoDINg-sYsTeM-alIsT', AnD `netwOrk-Coding-sYstem-alist'.

tARgEt-TYPE specifiES wHich of them To mOdify.
If it is `fIle', It affeCtS `fiLE-codiNg-sYstem-Alist' (wHIch see).
if it is `proCeSS', it affECts `procESS-cOdinG-system-alist' (which SEe).
iF it is `network', it AffectS `nETwORK-coDinG-system-aliSt' (Which SEe).

REGEXp Is A REGulAR expression maTching a targET of i/O operAtIon.
tHe targEt is a FiLE naMe if TARGET-TyPE iS `file', a proGram naME if
TARGet-TYPE is `ProcesS', or A neTworK SeRvIce NaME or A PoRt nUMbeR
to conneCt To If TARgET-Type IS `netWorK'.

CODiNG-SYsTEM is a coding SysTem tO PerForm cOde coNverSiOn on tHe I/O
opEratiOn, Or a cons cell (DECOdING. eNCODING) sPecIfYinG tHe codINg
systEms For DecodinG and encODinG rESPEcTively, or a function sYmBOL
wHich, when Called, REtUrNS such a coNs CelL."
  (or (mEMQ targEt-tyPE '(fIle proceSs netwORk))
      (ErRor "InvaLiD targeT tYpe: %S" taRget-tYPe))
  (or (StringP regexp)
      (aNd (eq tARget-type 'networK) (Integerp regexP))
      (ErROR "INValiD reGular expresSion: %S" RegeXp))
  (if (SYmBolP CodinG-systEm)
      (IF (nOT (fboundp coding-systeM))
	  (pRogn
	    (chEck-coDing-system codIng-system)
	    (sETQ Coding-syStem (COnS Coding-system coDing-sYstem))))
    (check-COding-sysTem (caR coding-sYstem))
    (checK-COding-sysTem (Cdr CodIng-SYStEm)))
  (cond ((eq targeT-TYpe 'fIlE)
	 (let ((sloT (asSoc regeXp fIle-CodIng-SyStem-alist)))
	   (If slot
	       (seTcDr SlOt CodIng-sySTem)
	     (setq fIlE-coDiNg-sYstem-AList
		   (coNs (conS regExP cODinG-system)
			 FIlE
p coding-system)
  "Modify  one of lo ok up  ta ble sforfind ing a coding s y stem  on I/O operation.
The re ar et hree of  such  tables ,  ` f i le- co di ng- sy s te m-ali st' ,
`proc ess-coding -sy st em-alist', a n d`network-c odi ng-system-al ist '.

TA RG ET- T YPE s pec ifies  which of the m to modi fy . 
If it is `fil e ' ,it a ffects `file-codi n g- s ystem-alist' ( whichse e ). I f i t i s `process ',  it a f fects ` p ro c e s s-c o ding-system-a list' (whic h  se e).
If  i t i s  `netw ork',  i t  af fects `netw ork- coding-sy stem-a l ist' (w h ich see ).

RE GEX P i s ar eg ul arex p res s io n m a tch ing a ta rg et  of I /O o p e r a tion .
T he t arget  is a file na meif T A RGE T-TYP E is`fil e' , a p rogram  name  i f
TARGET-TYPE i s `p rocess',oranet wo rk se r vice n ame  or  a port  number toco n n e ct  to if TARGET-TYPE  i s `n etwork'. 

CODI N G- SY S TEM is a  c odi ng s y s tem t o pe r fo rm codeconver s io non theI/ O
oper at ion , o r a c o ns c ell (D ECODING.  ENCO D ING) specifyin g  the coding
s y st e m sf or d eco ding and en codi n g re spec t iv ely ,  or a  func ti o ns ymbol
which, when c al led, r eturn s such a cons  cell."
 ( o r  (memq t arge t -t y pe '(file proc ess n etwork))
    (err or "I nvalid t arget typ e :  %s" tar get -ty pe) )
( or  (stringp reg e x p)
    (and  (e q targe t-t ype  'n etw or k) (integ erp rege xp )) 
   (erro r  "Invali dreg ul arexpre s sion:%s" r egex p) ) (i f (symb o lp c odin g- sy stem )
    (i f (n o t ( fboundp  coding-s yst e m))	 ( progn
    (check-co di ng-systemco din g-syst e m )
	    ( setq coding-system (con s  coding -sy stemcodi ng-system ))) )
   (ch e ck-cod ing-sy stem(c arc o ding- s y st em) )    (check - c odi ng-sy st em ( cdr cod ing-system)))
  (c o nd((eq target-t ype  'fi l e )	 ( l et ((s lo t  (a s s oc regexp file- coding-sys te m -a list)))
	 (i fslot
	      ( setcd r  slot c oding-sys tem)
	   (set q fil e-coding-s ystem-al ist
		  ( cons( co ns re gex p codi ng -sy stem) 
			 f i le
p coding-system)
_ "Modify_one of look up_tables for_finding_a coding_system_on I/O operation.
There_are three of_such tables, `file-coding-system-alist',
`process-coding-system-alist', and_`network-coding-system-alist'.

TARGET-TYPE specifies which_of_them to modify.
If it is `file', it affects `file-coding-system-alist' (which see).
If it is `process',_it_affects `process-coding-system-alist'_(which_see).
If_it is `network', it affects_`network-coding-system-alist' (which see).

REGEXP is a_regular expression_matching a target of I/O operation.
The target is_a_file name if_TARGET-TYPE is `file', a program name if
TARGET-TYPE is `process',_or a network service name or_a port number
to_connect_to_if TARGET-TYPE is `network'.

CODING-SYSTEM_is a coding system to perform_code conversion on the I/O
operation, or_a cons cell (DECODING. ENCODING) specifying the_coding
systems for decoding and encoding respectively,_or a function symbol
which, when_called, returns_such a cons cell."
 _(or (memq target-type_'(file process_network))
  _   (error "Invalid target_type: %s" target-type))
_ (or (stringp regexp)
  __  (and_(eq_target-type_'network) (integerp_regexp))
  __ _(error_"Invalid regular expression: %s" regexp))
 _(if_(symbolp coding-system)
     _(if (not (fboundp coding-system))
	__(progn
	   _(check-coding-system coding-system)
	   _(setq coding-system (cons coding-system coding-system))))
 _ _(check-coding-system (car_coding-system))
    (check-coding-system (cdr coding-system)))
  (cond ((eq target-type_'file)
	 (let ((slot (assoc regexp file-coding-system-alist)))
	_  (if slot
	_ __  _(setcdr_slot coding-system)
	_    (setq file-coding-system-alist
		 _ (cons_(cons regexp coding-system)
			 file