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-rw-r--r--Master/texmf/doc/texlive/texlive-cz/csquote.sty181
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-%%%%%%%%%%%%%%%%%%%%%% cut here %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%
-% File: CSQUOTE.TEX/STY
-% Version: 1.1
-%
-% Authors: Hunter Goatley <goathunter@wkuvx1.bitnet>
-% (parts from QUOTE.TEX/STY)
-% Petr Sojka <sojka@ics.muni.cs>
-%
-% Warranty:
-%
-% Copyright (c) 1992 by Hunter Goatley, Petr Sojka
-% Permission to copy all or part of this work is granted, provided
-% that the copies are not made or distributed for resale, and that
-% the copyright notice and this notice are retained.
-%
-% THIS WORK IS PROVIDED ON AN "AS IS" BASIS. THE AUTHOR PROVIDES NO
-% WARRANTY WHATSOEVER, EITHER EXPRESS OR IMPLIED, REGARDING THE WORK,
-% INCLUDING WARRANTIES WITH RESPECT TO ITS MERCHANTABILITY OR FITNESS
-% FOR ANY PARTICULAR PURPOSE.
-%
-% If you make any improvements, I'd like to hear about them.
-%
-% History:
-%
-% Oct 26, 92 - V1.0 first release
-% Dec 14, 92 - V1.1 \uv added
-%
-% Abstract:
-%
-% This file defines the macros \csdoublequoteson and \csdoublequotesoff.
-% These macros allows switching between standard and following behaviour:
-% TeX replace the double-quote character (") with Czech
-% left and right double-quotes. For example:
-%
-% "This is a test." ---> ,,This is a test.''
-%
-% The double-quote character is still available via \dq.
-% \" is still treated as the umlaut accent.
-%
-% This macro makes a couple of assumptions about the double-quotes:
-%
-% 1. Double-quotes are assumed to come in pairs. When replacing
-% double-quotes, the macro alternates between ,, and ''. The only
-% exception to this is noted in (2) below.
-% 2. A double-quote at the beginning of a paragraph is always treated
-% as ,,. This correctly handles the case where a quotation is
-% continued into a second paragraph:
-%
-% "This is the first paragraph.\par
-% "This is the second paragraph of the same quote."
-%
-% Normal TeX spacing after ,, and '' is maintained by saving and
-% restoring the \spacefactor.
-%
-% Macros work both with plainTex and LaTeX.
-%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%
-% HOW IT WORKS:
-%
-% The double-quote character (") is made active by \csdoublequoteson.
-% The " macro keeps track of left-quote/right-quote pairs and inserts
-% the appropriate ,, and '' in its place.
-%
-% Each character has a \spacefactor associated with it, which specifies
-% the amount of stretch or shrink that a space following the character
-% can have. Most characters have a factor of 1000, but some punctuation
-% marks have higher spacefactors, most notably the period, which has a
-% \spacefactor of 3000. This means the space following a period can
-% stretch up to 3 times more than the space after a regular character,
-% accounting for the increased space at the end of sentences.
-%
-% The ,, and '' ligatures are assigned \spacefactor's of 0, so that the
-% \spacefactor that is applied to the next character is the same as that
-% of the character preceding the quotes. Because " has been redefined as
-% a macro, any spaces following " are swallowed by TeX. It was necessary
-% to have this macro re-insert any needed space so that the following
-% cases worked correctly:
-%
-% "This is a test," she said. --> ,,This is a test,'' she said.
-% "This is in a list"; etc. --> ,,This is in a list''; etc.
-%
-% Without the added space, the first example becomes:
-%
-% ,,This is a test,''she said.
-%
-% The solution was to save the current \spacefactor before inserting a
-% right double-quote, then resetting the \spacefactor after the
-% insertion. The net effect was that the " macro has a \spacefactor
-% of 0, which matches the way TeX treats ,, and ''.
-%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-{% % Begin a group for which " is active
-\catcode`\"=\active % Make " an active character
-\catcode`\@=11 % Make @ an active character
-%
-% \csdoublequoteson
-%
-% This macro makes " an active character, resets the control sequence
-% \dblqu@te to L (left), and defines \dq as a replacement for ".
-%
-\gdef\csdoublequoteson{% % \csdoublequoteson enables "
- \gdef"{\czechquotes}% % Define " as \czechquotes
- \global\catcode`\"=\active% % Make " an active character
- \global\chardef\dq=`\"% % Double-quote char. via \dq
- \global\let\dblqu@te=L% % Always start with a left double-quote
- } % End of macro
-%
-% \bq, \eq
-%
-% These macros define default characters for czech left and right
-% double quotes. Czech opening quote is created from two commas with
-% kerning depending on fontdimen four parameter of current font.
-% Better solution should be specially designed character with
-% proper kernings; if you have such characters in fonts
-% (e.g. in DC-fonts), use it instead. (e.g. define
-% macros \bq and \eq e.g. \def\bq{\char"130 }
-% in your document/style file-- not in csquote.sty!)
-% Similar solution is used for czech right quote.
-%
-% \cs existence test, stolen from TeXbook exercise 7.7
-\def\ifundefined#1{\expandafter\ifx\csname#1\endcsname\relax }%
-%
-% another macro to be more efficient in time and space
-\global\chardef\f@@r=4
-%
-\ifundefined{bq}%
-\gdef\bq{\kern-.25\fontdimen\f@@r\font,\kern-.8\fontdimen\f@@r\font,%
- \kern-.35\fontdimen\f@@r\font}%
-\fi
-\ifundefined{eq}%
-\gdef\eq{\kern-.35\fontdimen\f@@r\font`\kern-.8\fontdimen\f@@r\font`%
- \kern-.25\fontdimen\f@@r\font}
-\fi
-%
-% Macro \uv for other usage of \bq and \eq.
-%
-\ifundefined{uv}%
- \gdef\uv#1{\bq #1\eq}
-\fi
-%
-% Define the macro that will be executed whenever " is encountered.
-%
-\gdef\czechquotes{%
- % If the double-quote is the first character in a new paragraph,
- % make sure it becomes a left double-quote. This case can be
- % detected by checking to see if TeX is currently in vertical mode.
- % If so, the double-quote is at the beginning of the paragraph
- % (since " hasn't actually generated any horizontal mode tokens
- % yet, TeX is still in vertical mode). If the mode is vertical,
- % set \dblqu@te equal to L.
- %
- \ifinner\else\ifvmode\let\dblqu@te=L\fi\fi%
- %
- % Now insert the appropriate left or right double-quote.
- %
- % If \dblqu@te is L, insert an opening quote and set \dblqu@te to R.
- %
- \if L\dblqu@te\bq\global\let\dblqu@te=R%
- %
- % Otherwise, save the current \spacefactor, insert '', set \dblqu@te
- % to L, and reset the original \spacefactor.
- %
- \else%
- \let\xxx=\spacefactor% % Save the \spacefactor
- \eq% % Insert ending quote
- \global\let\dblqu@te=L% % and reset \dblqu@te
- \spacefactor\xxx% % Reset the \spacefactor
- \fi% % End of \if L\dblqu@te...
- } % End of " macro
-} % End of group
-
-\gdef\csdoublequotesoff{%
- \catcode`\"=12% % Set " back to other
- }
-%
-% Czech quotes are default
-%
-\csdoublequoteson
-