% Automatically generated by the t4ht Texinfo HTML extension
\csname tex4ht\endcsname
\HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_gdef_tex4ht_tex tex 1 -->\Hnewline}
  \gdef\Desig{\buildrel \rm def \over \equiv}
\HCode{\Hnewline <!-- tex4ht_end tex_gdef_tex4ht_tex tex 1 -->\Hnewline \Hnewline}
\HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_gdef_tex4ht_tex math 2 -->\Hnewline}
\IgnorePar $\gdef\otest{\sqrt{64}} $\HCode{\Hnewline <!-- tex4ht_end tex_gdef_tex4ht_tex math 2 -->\Hnewline \Hnewline}
\HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_gdef_tex4ht_tex math 3 -->\Hnewline}
\IgnorePar $\gdef\testmacro{a \equiv b} $\HCode{\Hnewline <!-- tex4ht_end tex_gdef_tex4ht_tex math 3 -->\Hnewline \Hnewline}
\HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_gdef_tex4ht_tex math 4 -->\Hnewline}
\IgnorePar $\Desig \testmacro \otest$\HCode{\Hnewline <!-- tex4ht_end tex_gdef_tex4ht_tex math 4 -->\Hnewline \Hnewline}
\HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_gdef_tex4ht_tex displaymath 5 -->\Hnewline}

$$ \Desig \testmacro \otest
$$
\HCode{\Hnewline <!-- tex4ht_end tex_gdef_tex4ht_tex displaymath 5 -->\Hnewline \Hnewline}

\bye
