In plain text:
single tab
singleescape-t
+ singleescape-a
double tab
doubleescape-t
+ doubleescape-a
This line starts with escape-t and comes close to the right margin.
The next line starts with escape-t as well.
In a literal display:
single tab
singleescape-t
+ singleescape-a
double tab
doubleescape-t
+ doubleescape-a
After the IP macro:
After font macros:
s\bsi\bin\bng\bgl\ble\be t\bta\bab\bb
+ d\bdo\bou\bub\bbl\ble\be t\bta\bab\bb
-OpenBSD 2013-06-20 SPACE-ESCT-MAN(1)
+OpenBSD December 20, 2018 SPACE-ESCT-MAN(1)