u\bun\bna\bar\bry\by-\b-d\bdi\bia\bac\bcr\bri\bit\bt - diacritical marks in equations
D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
- initial text x. x" x^ x~ x-> x<-> (x + y) (x + y)_ final text
+ initial text _\bx. _\bx" _\bx^ _\bx~ _\bx-> _\bx<-> (_\bx + _\by) (_\bx + _\by)_ final text
OpenBSD October 10, 2014 OpenBSD