s\bsu\bub\bbs\bsu\bup\bp-\b-p\bpr\bre\bec\bce\bed\bde\ben\bnc\bce\be - precedence of subscripts and superscripts
D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
- initial text _\bX_(_\ba_)^_\bc^ ; X_a\ba^_\bc ; (_\bX_1^2)_(_\ba__\bc^_\be)^(_\bo__\br^_\bs) final text
+ initial text _\bX_(_\ba_)^_\bc^; X_a\ba^_\bc; (_\bX_1^2)_(_\ba__\bc^_\be)^(_\bo__\br^_\bs) final text
OpenBSD July 6, 2017 OpenBSD