\let\hbar\ltj@tmpa
\let\iftipaonetoken\ltj@tmpb
\let\ltj@tmpb\relax % no more an if-token
%% ticket 30501
{\catcode`\!0\catcode`\\11!catcode`!2 11!catcode`!?11!catcode`!-11
\let\hbar\ltj@tmpa
\let\iftipaonetoken\ltj@tmpb
\let\ltj@tmpb\relax % no more an if-token
%% ticket 30501
{\catcode`\!0\catcode`\\11!catcode`!2 11!catcode`!?11!catcode`!-11