actually tests which parts of text lines are processed with eqn(7)
and which are not.
-.\" $OpenBSD: basic.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
-.Dd $Mdocdate: July 4 2017 $
+.\" $OpenBSD: basic.in,v 1.3 2020/01/08 10:58:09 schwarze Exp $
+.Dd $Mdocdate: January 8 2020 $
.Dt DELIM-BASIC 1
.Os
.Sh NAME
.Sh DESCRIPTION
initial text
.EQ
-delim <>alpha
+delim []alpha
.EN
-inline <beta>
+inline [beta]
.EQ
delim offgamma
.EN
-inline <delta>
+inline [delta]
.EQ
delim onepsilon
.EN
-inline <zeta>
+inline [zeta]
final text
d\bde\bel\bli\bim\bm-\b-b\bba\bas\bsi\bic\bc - inline eqn delimiters
D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
- initial text <alpha> inline <beta> <gamma> inline <delta> <epsilon>
+ initial text <alpha> inline <beta> <gamma> inline [delta] <epsilon>
inline <zeta> final text
-OpenBSD July 4, 2017 OpenBSD
+OpenBSD January 8, 2020 OpenBSD