% Public domain.
%
% The ctabbing environment is a centered tabbing environment suitable for
% displaying program fragments. The vertical spacing is exactly like that
% for normal text in a center environment. This is achieved by setting
% \@minipagetrue to fool \tabbing into thinking that it starts a minipage
% and should therefore avoid all vertical space at the top. (Note that any
% space at all would defeat the \vtop command in \ctabbing.) The
% \vskip-\lastskip and \prevdepth saving commands avoid extra space after
% \endtabbing
