Mercurial > hg > octave-lyh > gnulib-hg
changeset 4775:66df8a590e8d
update from texinfo
author | Karl Berry <karl@freefriends.org> |
---|---|
date | Tue, 07 Oct 2003 12:58:45 +0000 |
parents | 01f61a103347 |
children | 58c3cf12fb22 |
files | config/texinfo.tex |
diffstat | 1 files changed, 115 insertions(+), 112 deletions(-) [+] |
line wrap: on
line diff
--- a/config/texinfo.tex +++ b/config/texinfo.tex @@ -3,7 +3,7 @@ % Load plain if necessary, i.e., if running under initex. \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi % -\def\texinfoversion{2003-10-04.06} +\def\texinfoversion{2003-10-06.08} % % Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. @@ -3144,12 +3144,9 @@ \let\indexbackslash=0 %overridden during \printindex. \let\SETmarginindex=\relax % put index entries in margin (undocumented)? -% For \ifx comparisons. -\def\emptymacro{\empty} - % Most index entries go through here, but \dosubind is the general case. % -\def\doind#1#2{\dosubind{#1}{#2}\empty} +\def\doind#1#2{\dosubind{#1}{#2}{}} % Workhorse for all \fooindexes. % #1 is name of index, #2 is stuff to put there, #3 is subentry -- @@ -3157,102 +3154,111 @@ % is with defuns, which call us directly. % \def\dosubind#1#2#3{% + \iflinks + {% + % Store the main index entry text (including the third arg). + \toks0 = {#2}% + % If third arg is present, precede it with space. + \def\thirdarg{#3}% + \ifx\thirdarg\empty \else + \toks0 = \expandafter{\the\toks0 \space #3}% + \fi + % + \edef\writeto{\csname#1indfile\endcsname}% + % + \ifvmode + \dosubindsanitize + \else + \dosubindwrite + \fi + }% + \fi +} + +% Write the entry to the index file: +% +\def\dosubindwrite{% % Put the index entry in the margin if desired. \ifx\SETmarginindex\relax\else - \insert\margin{\hbox{\vrule height8pt depth3pt width0pt #2}}% + \insert\margin{\hbox{\vrule height8pt depth3pt width0pt \the\toks0}}% \fi - {% - \indexdummies % Must do this here, since \bf, etc expand at this stage - \escapechar=`\\ - {% - \let\folio = 0% We will expand all macros now EXCEPT \folio. - \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now + % + % Remember, we are within a group. + \indexdummies % Must do this here, since \bf, etc expand at this stage + \escapechar=`\\ + \def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now % so it will be output as is; and it will print as backslash. - % - % The main index entry text. - \toks0 = {#2}% - % - % If third arg is present, precede it with space in sort key. - \def\thirdarg{#3}% - \ifx\thirdarg\emptymacro \else - % If the third (subentry) arg is present, add it to the index - % line to write. - \toks0 = \expandafter{\the\toks0 \space #3}% - \fi - % - % Process the index entry with all font commands turned off, to - % get the string to sort by. - {\indexnofonts - \edef\temp{\the\toks0}% need full expansion - \xdef\indexsorttmp{\temp}% - }% - % - % Set up the complete index entry, with both the sort key and - % the original text, including any font commands. We write - % three arguments to \entry to the .?? file (four in the - % subentry case), texindex reduces to two when writing the .??s - % sorted result. - \edef\temp{% - \write\csname#1indfile\endcsname{% - \realbackslash entry{\indexsorttmp}{\folio}{\the\toks0}}% - }% - % - % If a skip is the last thing on the list now, preserve it - % by backing up by \lastskip, doing the \write, then inserting - % the skip again. Otherwise, the whatsit generated by the - % \write will make \lastskip zero. The result is that sequences - % like this: - % @end defun - % @tindex whatever - % @defun ... - % will have extra space inserted, because the \medbreak in the - % start of the @defun won't see the skip inserted by the @end of - % the previous defun. - % - % But don't do any of this if we're not in vertical mode. We - % don't want to do a \vskip and prematurely end a paragraph. - % - % Avoid page breaks due to these extra skips, too. - % - \iflinks - \ifvmode - % \lastskip and \lastpenalty cannot both be nonzero simultaneously. - \skip0 = \lastskip - \count255 = \lastpenalty - % - % If \lastskip is nonzero, that means the last item was a - % skip. And since a skip is discardable, that means this - % -\skip0 glue we're inserting is preceded by a - % non-discardable item, therefore it is not a potential - % breakpoint, therefore no \nobreak needed. - \ifdim\lastskip = 0pt \else \vskip-\skip0 \fi - \fi - % - \temp % do the write - % - \ifvmode - \ifdim\skip0 = 0pt - % if \lastskip was zero, perhaps the last item was a - % penalty, and perhaps it was >=10000, e.g., a \nobreak. - % In that case, we want to re-insert the penalty; since we - % just inserted a non-discardable item, any following glue - % (such as a \parskip) would be a breakpoint. For example: - % @deffn deffn-whatever - % @vindex index-whatever - % Description. - % would allow a break between the index-whatever whatsit - % and the "Description." paragraph. - \ifnum\count255>9999 \nobreak \fi - \else - % On the other hand, if we had a nonzero \lastskip, - % this make-up glue would be preceded by a non-discardable item - % (the whatsit from the \write), we must insert a \nobreak. - \nobreak\vskip\skip0 - \fi - \fi - \fi - }% + % + % Process the index entry with all font commands turned off, to + % get the string to sort by. + {\indexnofonts + \edef\temp{\the\toks0}% need full expansion + \xdef\indexsorttmp{\temp}% + }% + % + % Set up the complete index entry, with both the sort key and + % the original text, including any font commands. We write + % three arguments to \entry to the .?? file (four in the + % subentry case), texindex reduces to two when writing the .??s + % sorted result. + \edef\temp{% + \write\writeto{% + \string\entry{\indexsorttmp}{\noexpand\folio}{\the\toks0}}% }% + \temp +} + +% Take care of unwanted page breaks: +% +% If a skip is the last thing on the list now, preserve it +% by backing up by \lastskip, doing the \write, then inserting +% the skip again. Otherwise, the whatsit generated by the +% \write will make \lastskip zero. The result is that sequences +% like this: +% @end defun +% @tindex whatever +% @defun ... +% will have extra space inserted, because the \medbreak in the +% start of the @defun won't see the skip inserted by the @end of +% the previous defun. +% +% But don't do any of this if we're not in vertical mode. We +% don't want to do a \vskip and prematurely end a paragraph. +% +% Avoid page breaks due to these extra skips, too. +% +\def\dosubindsanitize{% + % \lastskip and \lastpenalty cannot both be nonzero simultaneously. + \skip0 = \lastskip + \count255 = \lastpenalty + % + % If \lastskip is nonzero, that means the last item was a + % skip. And since a skip is discardable, that means this + % -\skip0 glue we're inserting is preceded by a + % non-discardable item, therefore it is not a potential + % breakpoint, therefore no \nobreak needed. + \ifdim\lastskip = 0pt \else \vskip-\skip0 \fi + % + \dosubindwrite + % + \ifdim\skip0 = 0pt + % if \lastskip was zero, perhaps the last item was a + % penalty, and perhaps it was >=10000, e.g., a \nobreak. + % In that case, we want to re-insert the penalty; since we + % just inserted a non-discardable item, any following glue + % (such as a \parskip) would be a breakpoint. For example: + % @deffn deffn-whatever + % @vindex index-whatever + % Description. + % would allow a break between the index-whatever whatsit + % and the "Description." paragraph. + \ifnum\count255>9999 \nobreak \fi + \else + % On the other hand, if we had a nonzero \lastskip, + % this make-up glue would be preceded by a non-discardable item + % (the whatsit from the \write), so we must insert a \nobreak. + \nobreak\vskip\skip0 + \fi } % The index entry written in the file actually looks like @@ -4950,9 +4956,6 @@ \message{defuns,} % @defun etc. -% Allow user to change definition object font (\df) internally -\def\setdeffont#1 {\csname DEF#1\endcsname} - \newskip\defbodyindent \defbodyindent=.4in \newskip\defargsindent \defargsindent=50pt \newskip\deflastargmargin \deflastargmargin=18pt @@ -5864,10 +5867,10 @@ % anchor), namely NAME-title (the corresponding @chapter/etc. name), % NAME-pg (the page number), and NAME-snt (section number and type). % Called from \foonoderef. -% -% We have to set \indexdummies so commands such as @code in a section -% title aren't expanded. It would be nicer not to expand the titles in -% the first place, but there's so many layers that that is hard to do. +% +% We have to set dummies so commands such as @code in a section title +% aren't expanded. It would be nicer not to expand the titles in the +% first place, but that is hard to do. % % Likewise, use \turnoffactive so that punctuation chars such as underscore % and backslash work in node names. @@ -5876,10 +5879,12 @@ \atdummies \pdfmkdest{#1}% % - \turnoffactive - \dosetq{#1-title}{Ytitle}% - \dosetq{#1-pg}{Ypagenumber}% - \dosetq{#1-snt}{#2}% + \iflinks + \turnoffactive + \dosetq{#1-title}{Ytitle}% + \dosetq{#1-pg}{Ypagenumber}% + \dosetq{#1-snt}{#2}% + \fi }} % @xref, @pxref, and @ref generate cross-references. For \xrefX, #1 is @@ -5976,10 +5981,8 @@ % \dosetq is called from \setref to do the actual \write (\iflinks). % \def\dosetq#1#2{% - {\let\folio=0% - \edef\next{\write\auxfile{\internalsetq{#1}{#2}}}% - \iflinks \next \fi - }% + \edef\next{\write\auxfile{\internalsetq{#1}{#2}}}% + \next } % \internalsetq{foo}{page} expands into @@ -5988,7 +5991,7 @@ % Things to be expanded by \internalsetq. % -\def\Ypagenumber{\folio} +\def\Ypagenumber{\noexpand\folio} \def\Ytitle{\thissection} \def\Ynothing{} \def\Yomitfromtoc{}