mandoc/roff.7 - diff

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Diff for /mandoc/roff.7 between version 1.6 and 1.9

version 1.6, 2010/05/24 22:25:58

version 1.9, 2010/06/10 21:42:02

Line 126 which may be separated by any intervening input (or no

Its syntax is equivalent to

.Sx \&if .

.Ss \&if

Begins a conditional that always evaluates to false.

Begins a conditional.

Right now, the conditional evaluates to true

if and only if it starts with the letter

.Sy n ,

indicating processing in

.Xr nroff 1

style as opposed to

.Xr troff 1

style.

If a conditional is false, its children are not processed, but are

syntactically interpreted to preserve the integrity of the input

document.

Line 165 BODY...

Line 173 BODY...

BODY

.Ed

.Pp

COND is a conditional (for the time being, this always evaluates to

COND is a conditional statement.

false).

roff allows for complicated conditionals; mandoc is much simpler.

At this time, mandoc supports only

.Sq n ,

evaluating to true;

and

.Sq t ,

.Sq e ,

and

.Sq o ,

evaluating to false.

All other invocations are read up to the next end of line or space and

evaluate as false.

.Pp

If the BODY section is begun by an escaped brace

.Sq \e{ ,

Line 199 macro is discarded.

Line 218 macro is discarded.

Furthermore, if an explicit closing sequence

.Sq \e}

is specified in a free-form line, the entire line is accepted within the

scope of the prior macro, not only the text preceding the close.

scope of the prior macro, not only the text preceding the close, with the

.Sq \e}

collapsing into a zero-width space.

.Ss \&ig

Ignore input.

Accepts the following syntax:

Line 249 Currently, it is ignored including its arguments,

Line 270 Currently, it is ignored including its arguments,

and the number of arguments is not checked.

.Ss \&tr

Output character translation.

This macro is intended to have one argument,

consisting of an even number of characters.

Currently, it is ignored including its arguments,

and the number of arguments is not checked.

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