\message{text accents ...}
\def\tex{\the\textfont\fam} % gets TeX standard font
\def\d#1{{\linesep.25ex\lineseplimit\maxdimen
\putbelow{#1\crcr\hidewidth.\hidewidth}}}
\def\b#1{{\linesep.25ex\lineseplimit\maxdimen
\putbelow{#1\crcr\hidewidth
\vbox to.2ex{\hbox{\char'257}\vss}\hidewidth}}} % bar under
\def\c#1{{\linesep0pt\lineseplimit\maxdimen
\putbelow{#1\crcr\hidewidth
\vbox to.2ex{\hbox{\the\textfont\rmfam
\char'030}\vss}\hidewidth}}} % cedilla
\def\`#1{{\accent'252 #1}}
\def\'#1{{\accent'253 #1}}
\def\v#1{{\accent'350 #1}} \let\^^←=\v
\def\u#1{{\accent'256 #1}} \let\^^S=\u
\def\=#1{{\accent'257 #1}}
\def\^#1{{\accent'254 #1}} \let\^^D=\^
\def\.#1{{\edef\f@nt{\the\font}
\the\textfont\rmfam\accent95\f@nt #1}}
\def\H#1{{\edef\f@nt{\the\font}
\the\textfont\rmfam\accent"7D\f@nt #1}}
\def\~#1{{\accent'255 #1}}
\def\"#1{{\accent'250 #1}}
\def\t#1{{\edef\f@nt{\the\font}
\the\textfont\ifam\accent"7F\f@nt #1}}