\\ 
Prevent or delay the interpretation of \. 
\e 
Printable version of the current
\ escape character.

\' 
´
(acute accent); equivalent to
\(aa
.

\` 
`
(grave accent); equivalent to
\(ga
.

\ 
 Minus sign in the current font. 
\. 
Period (dot). 
\(space) 
Unpaddable spacesize space
character.

\(newline) 
Concealed (ignored) newline. 
\0 
Digit width space. 
\ 
1/6em narrow space character
(zero width in nroff).

\^ 
1/12em halfnarrow space
character (zero width in nroff).

\& 
Nonprinting, zero width
character.

\! 
Transparent line indicator. 
\" 
Beginning of comment. 
\$
n

Interpolate argument 1
n
9. 
\% 
Default optional hyphenation
character.

\(
xx

Character named
xx
. 
\*
x
or
\*
(
xx

Interpolate string
x
or
xx
. 
\a 
Noninterpreted leader character. 
\b'
abc
...
'

Bracket building function. 
\c 
Make next line continuous with current. 
\d 
Forward (down) 1/2em vertical
motion (1/2 line in nroff).

\D'l
x
,
y
' 
Draw a line from current position to
coordinates
x,y
(ditroff only).

\D'c
d
' 
Draw circle of diameter
d
with left edge
at current position (ditroff only).

\D'e
d1 d2
' 
Draw ellipse with horizontal diameter
d1
and vertical diameter
d2
, with left edge at
current position (ditroff only).

\D'a
x1 y1 x2 y2
' 
Draw arc counterclockwise from current
position, with center at
x1,y1
and endpoint
at
x1+x2,y1+y2
(ditroff only).

\D'~
x1 y1 x2 y2
...
'

Draw spline from current
position through the specified coordinates (ditroff only).

\f
x
or
\f(
xx
or
\f
n

Change to font named
x
or
xx
or to position
n
.

\h'
n
' 
Local horizontal motion; move
right
n
or if
n
is negative move left.

\H'
n'

Set character height to
n
points,
without changing width (ditroff only).

\k
x

Mark horizontal
input
place in
register
x
.

\l'
nc
' 
Draw horizontal line of length
n
(optionally with
c
). 
\L'
nc
' 
Draw vertical line of length
n
(optionally with
c
). 
\n
x
\,\n(
xx

Interpolate number register
x
or
xx
. 
\o'
abc
...' 
Overstrike characters
a
,
b
,
c
... 
\p 
Break and spread output line. 
\r 
Reverse 1em vertical motion
(reverse line in nroff).

\s
n
\,\s±
n

Change pointsize to
n
or
increment by
n
. For example,
\s0
returns to previous point size.

\S'
n'

Slant output
n
degrees to the right.
Negative values slant to the left.
A value of zero turns off slanting (ditroff only).

\t 
Noninterpreted horizontal tab. 
\u 
Reverse (up) 1/2em vertical
motion (1/2 line in nroff).

\v'
n
' 
Local vertical motion; move
down
n
or if
n
is negative move up.

\w'
string
' 
Interpolate width of
string
. 
\x'
n
' 
Extra linespace function
(
n
negative provides space before,
n
positive provides after).

\z
c

Print
c
with zero width (without
spacing).

\{ 
Begin multiline conditional input. 
\} 
End multiline conditional input. 
\
x

x
, any character
not
listed above. 