mandoc/roff.7 - diff

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Diff for /mandoc/roff.7 between version 1.115 and 1.120

version 1.115, 2020/10/28 21:07:47

version 1.120, 2022/05/31 20:23:05

Line 1

.\" $Id$

.\"

.\" Permission to use, copy, modify, and distribute this software for any

.\" purpose with or without fee is hereby granted, provided that the above

Line 624 Its syntax can be either

.Pp

.Bd -literal -offset indent

.Pf . Ic \&de Ar macroname Ar endmacro

.Pf . Ic \&de Ar macroname endmacro

.Ar definition

.Pf . Ar endmacro

.Ed

Line 2021 End conditional input; see

Paddable non-breaking space character.

.It Ic \e0

Digit width space character.

.It Ic \eA\(aq Ns Ar string Ns Ic \(aq

.It Ic \eA\(aq Ns Ar name Ns Ic \(aq

Anchor definition; ignored by

Interpolate

.Sq 1

.Ar name

is a syntactically valid identifier that can be used

as a name for a macro or user-defined string, or

.Sq 0

otherwise.

This is a thoroughly non-portable groff extension.

Heirloom troff uses the same escape sequence with the same syntax

for a completely different purpose,

defining a hyperlink target position, also called an

.Dq anchor ,

with the given

.Ar name .

The Heirloom semantics is not supported by

.Xr mandoc 1 .

.It Ic \ea

Leader character; ignored by

Line 2085 defaults to

Line 2100 defaults to

.Ic \efP .

.It Ic \eg[ Ns Ar name Ns Ic \&]

Interpolate the format of a number register; ignored by

.Xr mandoc 1 .

.Xr mandoc 1 ,

which interpolates an empty string instead.

For short names, there are variants

.Ic \eg Ns Ar c

and

Line 2166 Break the output line at the end of the current word.

Line 2182 Break the output line at the end of the current word.

Set number register; ignored by

.Xr mandoc 1 .

.It Ic \er

Move up by one line; ignored by

Reverse line feed: move up by one output line.

.Xr mandoc 1 .

Currently unsupported.

.It Ic \eS\(aq Ns Ar number Ns Ic \(aq

Slant output; ignored by

.Xr mandoc 1 .

Line 2188 Horizontal tab; ignored by

Line 2204 Horizontal tab; ignored by

Move up by half a line; ignored by

.Xr mandoc 1 .

.It Ic \eV[ Ns Ar name Ns Ic \&]

Interpolate an environment variable; ignored by

Interpolate an environment variable.

.Xr mandoc 1 .

For short names, there are variants

.Ic \eV Ns Ar c

and

.Ic \eV( Ns Ar cc .

This escape sequence is intentionally unsupported;

.Xr mandoc 1

prints the string

.Dq Pf $ Brq Ar name

instead of inspecting the environment.

.It Ic \ev\(aq Ns Ar number Ns Ic \(aq

Vertical motion; ignored by

.Xr mandoc 1 .

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