man.md

View local page

man -l app.1

Groff

.RB [ \-b | # roman (normal text) / bold alternating => [ will be rendered as is, -b will be bold, | normal
.B Hello \fIWorld\fR # inline markup with \fX...\fR

# bullet points
.PD 0 # for no extra newlines
.IP \(bu 2
item1
.IP \(bu 2
item2

Ref: man groff_man

Misc

LESS= man manpage # -F was the problem
nroff -man <(zcat /usr/share/man/man1/env.1.gz) | LESS= less
groff -man -Tascii <(zcat /usr/share/man/man1/env.1.gz) | LESS= less

man -M/Users/XXX/.fzf/man fzf