Unprefix: no
Unfold: no
  \
  \
  This is not \
  a folded line

Unprefix: yes
Unfold: no
\
This is not \
a folded line

Unprefix: no
Unfold: yes
  \
  \
  This is not \
  a folded line

Unprefix: yes
Unfold: yes
\
This is not \
a folded line
