<!-- tex4ht_begin tex_tex4ht_math math 1 -->
x^i\over\tan y
<!-- tex4ht_end tex_tex4ht_math math 1 -->

<!-- tex4ht_begin tex_tex4ht_math math 2 -->
a \ b
<!-- tex4ht_end tex_tex4ht_math math 2 -->

<!-- tex4ht_begin tex_tex4ht_math math 3 -->
math code a < b
<!-- tex4ht_end tex_tex4ht_math math 3 -->

<!-- tex4ht_begin tex_tex4ht_math math 4 -->
\underlinemath \hbox code  \sum_i\underlinef
<!-- tex4ht_end tex_tex4ht_math math 4 -->

<!-- tex4ht_begin tex_tex4ht_math math 5 -->
\sum_i f(x)2
<!-- tex4ht_end tex_tex4ht_math math 5 -->