src/usr.bin/m4/m4.1 - diff

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Diff for /src/usr.bin/m4/m4.1 between version 1.38 and 1.39

version 1.38, 2005/03/02 10:12:15

version 1.39, 2005/09/06 15:33:21

Line 155

.Fa name ,

overriding possible redefinitions.

.It Fn changecom startcomment endcomment

Change the start and end comment sequences.

Changes the start comment and end comment sequences.

The default is the pound sign

Comment sequences may be up to five characters long.

.Pq Sq #

The default values are the pound sign

and the newline character.

With no arguments comments are turned off.

.Bd -literal -offset indent

The maximum length for a comment marker is five characters.

# This is a comment

.Ed

.Pp

With no arguments, comments are turned off.

With one single argument, the end comment sequence is set

to the newline character.

.It Fn changequote beginquote endquote

Defines the quote symbols to be the first and second arguments.

Defines the open quote and close quote sequences.

The symbols may be up to five characters long.

Quote sequences may be up to five characters long.

If no arguments are

The default values are the backquote character and the quote

given it restores the default open and close single quotes.

character.

.Bd -literal -offset indent

`Here is a quoted string'

.Ed

.Pp

With no arguments, the default quotes are restored.

With one single argument, the close quote sequence is set

to the newline character.

.It Fn decr arg

Decrements the argument

.Fa arg

Line 386

Line 398

.El

.Sh STANDARDS

.Nm

follows the Single Unix 2 specification, along with a few extensions taken

follows the Single Unix 3 specification, along with a few extensions taken

from

.Nm gnu-m4 .

.Pp

The

.Fl s

option

.Po

.Xr cpp 1 's

#line directives

.Pc

is currently not supported.

Flags

.Fl I ,

.Fl d ,