\message{text accents ...}
\def\tex{\the\textfont\rmfam} % gets TeX roman as current text font
\def\d#1{{\linesep.25ex\lineseplimit\maxdimen
\putbelow{#1\crcr\hidewidth.\hidewidth}}} % dot under
\def\b#1{{\linesep.25ex\lineseplimit\maxdimen
\putbelow{#1\crcr
\hidewidth\vbox to.2ex{\hbox{\char'026}\vss}\hidewidth}}}
\def\c#1{{\linesep0pt\lineseplimit\maxdimen
\putbelow{#1\crcr\hidewidth\char'030\hidewidth}}}
\def\`#1{{\accent18 #1}}
\def\'#1{{\accent19 #1}}
\def\v#1{{\accent20 #1}} \let\^^←=\v
\def\u#1{{\accent21 #1}} \let\^^S=\u
\def\=#1{{\accent22 #1}}
\def\^#1{{\accent94 #1}} \let\^^D=\^
\def\.#1{{\accent95 #1}}
\def\H#1{{\accent"7D #1}}
\def\~#1{{\accent"7E #1}}
\def\"#1{{\accent"7F #1}}
\def\t#1{{\edef\next{\the\font}\mit\accent"7F\next#1}}