html_setfont
if (html_setfont(h, esc))
int html_setfont(struct html *, enum mandoc_esc);
html_setfont(h, ESCAPE_FONTROMAN);
html_setfont(h, mandoc_font(cp, (int)strlen(cp)));
html_setfont(h, dp->layout->font);
html_setfont(h, save_font);