[CWEB] Minor redactions in the manual and macros.

git-svn-id: svn://tug.org/texlive/trunk/Build/source@68578 c570f23f-e606-0410-a88d-b1316a301751

texk/web2c/cwebdir/ChangeLog

@@ -1,3 +1,8 @@
+2023-10-18  Andreas Scherer  <https://ascherer.github.io>
+
+	* cwebmac.tex,
+	* cwebman-w2c.ch: Minor redactions in the CWEB manual and macros.
+
 2023-10-15  Andreas Scherer  <https://ascherer.github.io>
 
 	* cwebman-w2c.ch: Fix display in Skim and Acrobat Reader on macOS.

texk/web2c/cwebdir/cwebmac.tex

@@ -1,18 +1,18 @@
 % standard macros for CWEB listings (in addition to plain.tex)
-% Version 4.11 --- September 2023
+% Version 4.11 --- October 2023
 \ifx\renewenvironment\undefined\else\endinput\fi % LaTeX will use other macros
 \xdef\fmtversion{\fmtversion+CWEB4.11}
 \chardef\cwebversion=4 \chardef\cwebrevision=11
 \input iftex.sty % TeX engine tests
 \ifx\pdf+\pdftrue\fi % for plain TeX in combination with dvipdfm
 % Uncomment the following line if you want PDF goodies to be the default
 %\ifx\pdf-\else\pdftrue\fi
-\def\pdflinkcolor{0 0 1} % the RGB values for hyperlink color
 \ifxetex\pdftrue\fi % XeTeX produces PDF output
+\ifpdf \def\pdflinkcolor{0 0 1} \fi % the RGB values for hyperlink color
 \let\ifacro=\ifpdf
 \newif\ifacrohint \ifacro\acrohinttrue\fi \ifhint\acrohinttrue\fi
 \newif\ifpdflua \ifluatex\pdfluatrue\fi \ifpdftex\pdfluatrue\fi
-\ifpdflua % luaTeX and pdfTeX produce PDF output if \pdfoutput>0
+\ifpdflua % luaTeX and pdfTeX produce PDF output if \pdfoutput>0 (default)
   \def\Black{\pdfliteral{0 g 0 G}}  % use rgb colors for direct PDF output too
   \def\Blue{\pdfliteral{\pdflinkcolor\space rg \pdflinkcolor\space RG}}
 \fi

texk/web2c/cwebdir/cwebman-w2c.ch

@@ -359,16 +359,16 @@ Looking at those
 @y
 \point 21. With modern \TeX\ engines like `\.{luatex}', `\.{pdftex}', and
 `\.{xetex}' (but \\{not} with classic `\.{tex}') you can say `\.{\\input
-pdfwebtocfront}' as the last command in limbo and run \TeX\ \\{twice} on your
-woven document, in order to shift the table-of-contents to the front of the
-{\mc PDF} output.
+pdfwebtocfront}' as the last command in the limbo section and run \TeX\
+\\{twice} on your woven \.{CWEB} document, in order to shift the
+table-of-contents to the front of the {\mc PDF} output.
 
 \point 22. You are advised to use the command line option `\.{--shell-escape}'
 with \.{pdftex} and \.{luatex} in order to receive ``valid'' PDF output from
 your \.{CWEB} source file; otherwise, the internal counter for the ``Names of
-the sections'' part in the PDF ``bookmarks'' will be incorrect. (`\.{xetex}'
-and `\.{tex "\\let\\pdf+..."}' take a different approach that is correct by
-design.)
+the sections'' part in the {\mc PDF} ``bookmarks'' will be incorrect.
+(`\.{xetex}' and `\.{tex "\\let\\pdf+..."}' take a different approach that is
+correct by design.)
 
 \vfill\end
 @z