TWILL(1) General Commands Manual TWILL(1)
NAME
twill, twill-refsort - translate Web to TeX with mini-indexes
SYNOPSIS
twill [-x] webfile[.web] [{changefile[.ch]|-} [outfile[.tex]]]
twill-refsort < reffile.ref > sreffile.sref
DESCRIPTION
The twill program is used to create a TeX file for viewing a Web pro-
gram. It takes appropriate care of typographic details like page layout
and the use of indentation, italics, boldface, etc., and it supplies ex-
tensive cross-index information in the form of 'mini-indexes' for each
spread of pages and a 'master index' at the end that it gathers automat-
ically.
The command line arguments are the same as for weave including the op-
tion: -x says to omit the indexes, module name list, and table of con-
tents pages. (A CONTENTS.tex file will still be written when the TeX
file is processed, however, unless some macros in twimac-web.tex are re-
defined.)
The output TeX file name is formed by adding .tex to the root of the Web
file name.
There are several macros that probably should be redefined by the pro-
grammer at the beginning of the Web file. It is a good idea to set \ti-
tle to the name of the program.
twill is exactly like weave except that it produces better documenta-
tion, for which you must work harder. You should run twill twice, once
to prime the pump and once to get decent answers. Moreover, you must
run the output twice through TeX.
After tex foo you will have output that looks like final pages except
that the entries of mini-indexes won’t be alphabetized. The first run
produces a weird file called foo.ref. Say twill-refsort < foo.ref >
foo.sref and then another tex foo will produce alphabetized output.
ENVIRONMENT
The environment variable WEBINPUTS is used to search for the input
files, or the system default if WEBINPUTS is not set. See tex(1) for
the details of the searching.
FILES
$TEXMFMAIN/tex/plain/cweb/cwebbin/twimac-web.tex
TeX macros used by twill output.
SEE ALSO
tangle(1) for references, authors, and other information.
Web2C 2025/dev 16 February 2024 TWILL(1)
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