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valid array dimensionn. afixnum suitable for use as anarraydimension. Such afixnum must be greater than or equal to zero, and less than thevalue ofarray-dimension-limit. When multiplearraydimensions are to be used together to specify a multi-dimensionalarray, there is also an implied constraint that the product of all of thedimensions be less than thevalue ofarray-total-size-limit.

valid array indexn. (of anarray) afixnum suitable for use as one of possibly several indices needed to name anelement of thearray according to a multi-dimensional Cartesian coordinate system. Such afixnum must be greater than or equal to zero, and must be less than the correspondingdimension[1] of thearray. (Unless otherwise explicitly specified, the phrase ``alist ofvalid array indices'' further implies that thelength of thelist must be the same as therank of thearray.) ``For a2 by3 array, valid array indices for the first dimension are0 and1, and valid array indices for the second dimension are0,1 and2.''

valid array row-major indexn. (of anarray, which might have any number ofdimensions[2]) a singlefixnum suitable for use in naming anyelement of thearray, by viewing the array's storage as a linear series ofelements in row-major order. Such afixnum must be greater than or equal to zero, and less than thearray total size of thearray.

valid fill pointern. (of anarray) afixnum suitable for use as afill pointer for thearray. Such afixnum must be greater than or equal to zero, and less than or equal to thearray total size of thearray.

valid logical pathname hostn. astring that has been defined as the name of alogical host. See thefunctionload-logical-pathname-translations.

valid pathname devicen. astring,nil,:unspecific, or some otherobject defined by theimplementation to be avalid pathname device.

valid pathname directoryn. astring, alist ofstrings,nil,:wild,:unspecific, or some otherobject defined by theimplementation to be avalid directory component.

valid pathname hostn. avalid physical pathname host or avalid logical pathname host.

valid pathname namen. astring,nil,:wild,:unspecific, or some otherobject defined by theimplementation to be avalid pathname name.

valid pathname typen. astring,nil,:wild,:unspecific.

valid pathname versionn. a non-negativeinteger, or one of:wild,:newest,:unspecific, ornil. The symbols:oldest,:previous, and:installed aresemi-standard special version symbols.

valid physical pathname hostn. any of astring, alist ofstrings, or the symbol:unspecific, that is recognized by the implementation as the name of a host.

valid sequence indexn. (of asequence) aninteger suitable for use to name anelement of thesequence. Such aninteger must be greater than or equal to zero, and must be less than thelength of thesequence. (If thesequence is anarray, thevalid sequence index is further constrained to be afixnum.)

valuen. 1. a. one of possibly severalobjects that are the result of anevaluation. b. (in a situation where exactly one value is expected from theevaluation of aform) theprimary value returned by theform. c. (offorms in animplicit progn) one of possibly severalobjects that result from theevaluation of the lastform, ornil if there are noforms. 2. anobject associated with aname in abinding. 3. (of asymbol) thevalue of thedynamic variable named by that symbol. 4. anobject associated with akey in anassociation list, aproperty list, or ahash table.

value celln.Trad. (of asymbol) Theplace which holds thevalue, if any, of thedynamic variable named by thatsymbol, and which isaccessed bysymbol-value. Seecell.

variablen. abinding in the ``variable''namespace. SeeSection 3.1.2.1.1 (Symbols as Forms).

vectorn. a one-dimensionalarray.

vertical-barn. thestandard character that is called ``vertical bar'' (|). SeeFigure 2-5.

• PATHNAME-SUBDIRECTORY-LIST:NEW-REPRESENTATION
• PATHNAME-UNSPECIFIC-COMPONENT:NEW-TOKEN
• ARRAY-DIMENSION-LIMIT-IMPLICATIONS:ALL-FIXNUM