% This macro source file is from the four volume series
% "TeX in Practice" by Stephan von Bechtolsheim, published
% 1993 by Springer-Verlag, New York.
% Copyright 1993 Stephan von Bechtolsheim.
% No warranty or liability is assumed.
% This macro may be copied freely if no fees other than
% media cost or shipping charges are charged and as long
% as this copyright and the following source code itself
% is not changed. Please see the series for further information.
%
% Version: 1.0
% Date: May 1, 1993
%
%
% This source code is documented in 11.1.7, p. II-62.
% Original source in file "par2.TEX", starting line 737.
\wlog{L: "par-lcl.tip" ["par2.TEX," l. 737, p. II-62]}%
% This file DOES NOT belong to format "texip."
\InputD{par-lab.tip}
\catcode`\@ = 11
\newcount\@LabelCounter
\def\CountingItem{% 
    \advance\@LabelCounter by 1
    \ifcase\@LabeledParNesting
    \or
        \ItemLR{\the\@LabelCounter.}% 
    \or
        \ItemLR{% 
            \advance\@LabelCounter by `\a
            (\char\@LabelCounter)% 
        }% 
    \or
        \ItemLR{\romannumeral\@LabelCounter.}% 
    \else
        \errmessage{\string\CountingItem: nesting level up to 3
            supported only.}%
    \fi
}
\catcode`\@ = 12