version 1.6, 2010/05/24 22:25:58 |
version 1.8, 2010/06/01 11:54:23 |
Line 126 which may be separated by any intervening input (or no |
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Line 126 which may be separated by any intervening input (or no |
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Its syntax is equivalent to |
Its syntax is equivalent to |
.Sx \&if . |
.Sx \&if . |
.Ss \&if |
.Ss \&if |
Begins a conditional that always evaluates to false. |
Begins a conditional. |
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Right now, the conditional evaluates to true |
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if and only if it starts with the letter |
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.Sy n , |
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indicating processing in |
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.Xr nroff 1 |
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style as opposed to |
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.Xr troff 1 |
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style. |
If a conditional is false, its children are not processed, but are |
If a conditional is false, its children are not processed, but are |
syntactically interpreted to preserve the integrity of the input |
syntactically interpreted to preserve the integrity of the input |
document. |
document. |
Line 199 macro is discarded. |
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Line 207 macro is discarded. |
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Furthermore, if an explicit closing sequence |
Furthermore, if an explicit closing sequence |
.Sq \e} |
.Sq \e} |
is specified in a free-form line, the entire line is accepted within the |
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 |
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.Sq \e} |
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collapsing into a zero-width space. |
.Ss \&ig |
.Ss \&ig |
Ignore input. |
Ignore input. |
Accepts the following syntax: |
Accepts the following syntax: |
Line 249 Currently, it is ignored including its arguments, |
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Line 259 Currently, it is ignored including its arguments, |
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and the number of arguments is not checked. |
and the number of arguments is not checked. |
.Ss \&tr |
.Ss \&tr |
Output character translation. |
Output character translation. |
This macro is intended to have one argument, |
This macro is intended to have one argument, |
consisting of an even number of characters. |
consisting of an even number of characters. |
Currently, it is ignored including its arguments, |
Currently, it is ignored including its arguments, |
and the number of arguments is not checked. |
and the number of arguments is not checked. |