% Single and double spacing, etc...

\def\doublespaced{\baselineskip=\normalbaselineskip     % reset to normal
    \multiply\baselineskip by 2}
\def\doublespace{\doublespaced}                         % synonym

\def\singlespaced{\baselineskip=\normalbaselineskip}    % reset interline space
\def\singlespace{\singlespaced}                         % synonym

\def\triplespaced{\baselineskip=\normalbaselineskip     % reset interline space
    \multiply\baselineskip by 3}                        % increase X 3

\def\widenspacing{\multiply\baselineskip by 150         % increase interline
    \divide\baselineskip by 100}                        %  by X 1.5
\def\whitespace{\widenspacing}                          % synonym
