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%%
%% This is file `prshowlabels.def',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% preview.dtx (with options: `showlabels')
%%
%% IMPORTANT NOTICE:
%%
%% For the copyright see the source file.
%%
%% Any modified versions of this file must be renamed
%% with new filenames distinct from prshowlabels.def.
%%
%% For distribution of the original source see the terms
%% for copying and modification in the file preview.dtx.
%%
%% This generated file may be distributed as long as the
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
%% The preview style for extracting previews from LaTeX documents.
%% Developed as part of AUCTeX <URL:http://www.gnu.org/software/auctex>.
\ifPreview\else\expandafter\endinput\fi
\newbox\pr@labelbox
\def\pr@label#1{\pr@@label{#1}%
\ifpr@setbox\z@{#1}%
\global\setbox\pr@labelbox\vbox{\unvbox\pr@labelbox
\box\z@}\egroup\fi}
\def\ifpr@setbox#1#2{%
\romannumeral%
\ifx\protect\@typeset@protect\ifpr@outer\else
\z@\bgroup
\protected@edef\next{#2}\@onelevel@sanitize\next
\ifx\next\@empty\egroup\romannumeral\else
\ifx\next\pr@lastlabel\egroup\romannumeral\else
\global\let\pr@lastlabel\next
\setbox#1\pr@boxlabel\pr@lastlabel
\expandafter\expandafter\romannumeral\fi\fi\fi\fi
\z@\iffalse\iftrue\fi}
\def\pr@boxlabel#1{\hbox{\normalfont
\footnotesize\ttfamily\fboxsep0.4ex\relax\fbox{#1}}}
\def\pr@maketag#1{\pr@@maketag{#1}%
\ifpr@setbox\z@{\df@label}%
\global\setbox\pr@labelbox\vbox{%
\hrule\@width\wd\z@\@height\z@
\unvbox\pr@labelbox}%
\wd\z@\z@\box\z@ \egroup\fi}
\g@addto@macro\pr@ship@start{%
\global\setbox\pr@labelbox\box\voidb@x
\xdef\pr@lastlabel{}%
\global\let\pr@@label\label \let\label\pr@label
\global\let\pr@@maketag\maketag@@@
\let\maketag@@@\pr@maketag
}
\pr@addto@front\pr@ship@end{%
\ifx \label\pr@label \global\let\label\pr@@label \fi
\ifx \maketag@@@\pr@maketag
\global\let\maketag@@@\pr@@maketag \fi
\ifvoid\pr@labelbox
\else \setbox\pr@box\hbox{%
\box\pr@box\,\box\pr@labelbox}%
\fi}
\endinput
%%
%% End of file `prshowlabels.def'.
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