\chardef\tempcat=\the\catcode`\@ \catcode`\@=11
%\DeclareOption{vaonly}{%
% \renewcommand{\encodingdefault}{T1}
% \renewcommand{\rmdefault}{va}}
%\DeclareOption{vapart}{%
 \providecommand{\vafont}{\usefont{T1}{va}{m}{n}}%
 \providecommand{\vacalfont}{\usefont{T1}{va}{m}{sl}}%
 \providecommand{\norm}{\usefont{OT1}{cmr}{m}{sl}}%
% \@newtextcmd{\textva}{\vafont}%
% \@newtextcmd{\textvacal}{\vacalfont}}
%\ExecuteOptions{vaonly}
%\ProcessOptions
\catcode`\@=\tempcat
\endinput