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git-svn-id: svn://tug.org/texlive/trunk@71118 c570f23f-e606-0410-a88d-b1316a301751
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This alternative layout places the first line of a 'compound statement',
a.k.a. 'block', next to the opening curly brace.
Control statements like 'if', 'for', 'while', or 'switch' still appear
on a new line, in order to preserve visual control flow.
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Invoke 'weave -p' and the first line in the TeX output file will be
'\input pwebmac'. These alternative macros are more suited for the
creation of PDF output with 'tex "\let\pdf+ \input cob.tex' followed by
'dvipdfm cob' or with modern TeX engines like pdfTeX, LuaTeX, or XeTeX.
git-svn-id: svn://tug.org/texlive/trunk@68528 c570f23f-e606-0410-a88d-b1316a301751
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Option 'ctangle +u' extends the transliteration mechanism for ``poor
man's UTF-8'. Instead of extending the 'translit' table (or replacing it
with a dynamic data structure), CTANGLE skips all but the last of a
sequence of high-bit bytes representing a single UTF-8 character. Only
the last high-bit byte is used as the index into 'translit' as before.
Example: In ``classic ASCII'', the German word 'grün' was transformed
into 'gruen' with the transliteration '@l fc ue' (from the Western
European codepage ISO/IEC 8859-1; see file cweb_ecma94.w for context).
With UTF-8 encoded input and 'ctangle +u', the first (starter) byte 'c3'
(1100.0011) is skipped and the second (continuing) byte 'bc' is used to
look up the transliteration for 'ü' (latin small letter u with diaeresis),
so '@l bc ue' can be used to get 'gruen' in the C output.
Note that this is not a general UTF-8 transliteration because there are
tons of possible collisions, e.g., '¼' (vulgar fraction one quarter) is
'c2 bc' in UTF-8 and would be transformed into 'ue' as well.
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The original WEB programs had fixed arguments on the commandline, i.e.,
you had to invoke TANGLE with four file name arguments and WEAVE with
three (where '/dev/null' was permitted as an empty file).
This change makes the WEB programs a little bit like the CWEB programs
by allowing an optional third file name argument for the main output
file (the name of the .pool file still is created from the .web file).
And '-' is interpreted as an empty change file.
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We also rename the macros to 'twimac-web.tex' in order
to distinguish them from DEK's original 'twimac.tex' on CTAN
(https://mirrors.ctan.org/systems/knuth/local/lib/twimac.tex),
which is specifically designed for Volumes B and D of
"Computers & Typesetting".
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git-svn-id: svn://tug.org/texlive/trunk@61519 c570f23f-e606-0410-a88d-b1316a301751
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See 'git log' in https://github.com/ascherer/twill (now 'archived') and
in https://github.com/ascherer/web (both branches 'master' and
'adapt-twill-for-texlive') for details of this impromptu project.
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git-svn-id: svn://tug.org/texlive/trunk@60613 c570f23f-e606-0410-a88d-b1316a301751
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This is a service update due to general demand:
* Option 'c' is OFF by default to avoid spurious entries in build.log.
* 'squash'/'reduce' have been straightened out for k=1,..,4.
* Code beautifications for 'make fullmanual'.
* Code cleanup for internal reasons.
* Cleanup in 'prod.w' (indentation et al.).
* New 'prod-cweave.w' (along 'prod-twill.w') for material from CWEBbin.
* Fixes for option '-o' (didn't work as advertised in border cases).
* New signature for the 'make_ministring' function in CTWILL.
git-svn-id: svn://tug.org/texlive/trunk@60519 c570f23f-e606-0410-a88d-b1316a301751
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This release is almost the same as CWEB 4.3 of 2021-04-16, but
* it fixes the indexing bug in CWEAVE/CTWILL that got retracted
* it extracts and collects all additions made in CTWILL, so that the
section numbers of CWEAVE are retained up to §272 and new material is
described in the (first) appendix, including the CTWILL user manual
* it provides fully revised and (hopefully) corrected mini-indexes for
CTWILL, if it is processed by itself (to be published in package
'knuth-pdf' on CTAN)
git-svn-id: svn://tug.org/texlive/trunk@59061 c570f23f-e606-0410-a88d-b1316a301751
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This reverts commit 3ccac2a7d0f4a19dde861c6f4c178e853d90f0cc.
CWEB 4.3 is seriously broken.
git-svn-id: svn://tug.org/texlive/trunk@59048 c570f23f-e606-0410-a88d-b1316a301751
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This release introduces new features to CWEB 4:
* Former option '-t' is now called '-c'.
- New option '-t' for CWEAVE when dealing with 'typename' in
C++ templates.
- New option '-k' for CTANGLE to keep '-separators in numeric
literals.
* Support for "variadic macros" along "variadic functions".
* @d is printed similar to #define (and vice versa):
- '#' is no longer printed in boldface.
- Spacing is similar in most cases.
* Support for extended C99/C++ numeric literals:
- hexadecimal, octal, and -- new! -- binary numbers.
- NOTE: 'cwebmac.tex 4.3' is NOT compatible with CWEAVE 4.2 and older
and vice versa.
* Long parameter lists in ANSI function definitions are indented similar
to old-style function parameters.
- Option '-i' works similar for old-style and modern function headers.
* Additional C99/C++ keywords -- from 'alignas' to 'thread_local' -- are
supported internally.
* '@i'nclude file 'iso_types.w' for numeric types (in addition to
'c++lib.w').
* Countless code modifications, including some corrections amd
improvements.
Thanks and cudos to Github user "@texdraft" for numerous contributions
to this feature release!
git-svn-id: svn://tug.org/texlive/trunk@58884 c570f23f-e606-0410-a88d-b1316a301751
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See section 92 of 'common-changes.pdf' created with 'comm-w2c.ch'.
git-svn-id: svn://tug.org/texlive/trunk@55782 c570f23f-e606-0410-a88d-b1316a301751
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If disabled with '-t', the temporary output is ignored unconditionally
and the final output is (re-)created irrespective of changes between
runs. (Default is '+t' for CWEB={ctangle,cweave,ctwill}.)
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