\style{Customizing \FWEAVE's index}
index.tex&(string)&Name of the file into which the index is written.
	The character~'\.\#' is translated into the root name of the web
	file. \<"INDEX.tex"> ^^:style file!vocabulary!\>{index.tex}:
	^^:\>{INDEX.tex}:
	\cr 
index.preamble&(string)&\TeX\ commands to start the index. \<"\BS\BS Winx">
	^^:style file!vocabulary!\>{index.preamble}:\cr
index.postamble&(string)&\TeX\ commands to end the index. \<"\BS\BS Wfin">
	^^:style file!vocabulary!\>{index.postamble}:\cr
index.collate&(string)&Collating sequence for the index.  
%\<"\SP\BS1\BS2\BS3\BS4\BS5\BS6\BS7\BS10\BS11\BS12\BS13\BS14\BS15\BS16\BS17%
%\BS20\BS21\BS22\BS23\BS24\BS25\BS26\BS27\BS30\BS31\BS32\BS33\BS34\BS35\BS36\BS37%
%!\BS42\#\$\%\&'()*+,-./:;<={>}?@[\BS]\^`\{|\}\~\_%
%abcdefghijklmnopqrstuvwxyz0123456789">
	^^:style file!vocabulary!\>{index.collate}:\cr
group\_skip&(string)&\TeX\ commands to insert between letter groups. (A
	letter group is all index entries that begin with the same character.)
	\<"">^^:style file!vocabulary!\>{group\UL skip}:\cr
lethead.prefix&(string)&(Partial) \TeX\ command to begin identifying
	letter at start of group. The letter starting the next group is
	inserted immediately following this string. \<"">^^:style
	file!vocabulary!\>{lethead.prefix}:\cr 
lethead.suffix&(string)&(Partial) \TeX\ command to insert after
	identifying letter. \<"">^^:style
	file!vocabulary!\>{leadhead.suffix}:\cr 
lethead.flag&(integer)&This controls the kind of letter that is inserted
	between \.{lethead\_prefix} and \.{lethead\_suffix}. If
	\.{lethead\_flag} 
	is~0, no letter is inserted. If \.{lethead\_flag} $> 0$, an uppercase
	letter is inserted. If \.{lethead\_flag} $< 0$, a lowercase letter is
	inserted. \<0>^^:style file!vocabulary!\>{lethead.flag}:\cr
item\_0&(string)&\TeX\ command to begin an index entry. \<"\BS\BS
	:">^^:style file!vocabulary!\>{item\UL 0}:\cr
delim\_0&(string)&String to insert after the identifier in an index entry.
	\<",\SP">^^:style file!vocabulary!\>{delim\UL 0}:\cr
delim\_n&(string)&String to insert between two module numbers in an index
	entry. \<",\SP">^^:style file!vocabulary!\>{delim\UL n}:\cr
underline.prefix&(string)&(Partial) \TeX\ command to begin an underlined
	index entry. \<"\BS\BS [">^^:style
	file!vocabulary!\>{underline.prefix}:\cr 
underline.suffix&(string)&(Partial) \TeX\ command to end an underlined
	index entry. \<"]">^^:style file!vocabulary!\>{underline.suffix}:\cr
language.prefix&(string)&(Partial) \TeX\ command to begin a language
	reference in the index. \<"\BS\BS (">^^:style
	file!vocabulary!\>{language.prefix}:\cr 
language.suffix&(string)&(Partial) \TeX\ command to end a language
	reference. \<")">^^:style file!vocabulary!\>{language.suffix}:\cr











