version 1.74, 2015/08/29 22:40:05 |
version 1.75, 2015/09/24 18:41:22 |
Line 1068 COND evaluates to false. |
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Line 1068 COND evaluates to false. |
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.It |
.It |
If the first character of COND is |
If the first character of COND is |
.Sq r , |
.Sq r , |
it evalutes to true if the rest of COND is the name of an existing |
it evaluates to true if the rest of COND is the name of an existing |
number register; otherwise, it evaluates to false. |
number register; otherwise, it evaluates to false. |
.It |
.It |
If COND starts with a parenthesis or with an optionally signed |
If COND starts with a parenthesis or with an optionally signed |
Line 1342 Currently unsupported. |
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Line 1342 Currently unsupported. |
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Temporarily turn off line numbering. |
Temporarily turn off line numbering. |
Currently unsupported. |
Currently unsupported. |
.Ss \&nop |
.Ss \&nop |
Exexute the rest of the input line as a request or macro line. |
Execute the rest of the input line as a request or macro line. |
Currently unsupported. |
Currently unsupported. |
.Ss \&nr |
.Ss \&nr |
Define or change a register. |
Define or change a register. |
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Takes an arbitrary number of arguments. |
Takes an arbitrary number of arguments. |
Currently unsupported. |
Currently unsupported. |
.Ss \&tc |
.Ss \&tc |
Change tab repetion character. |
Change tab repetition character. |
Currently unsupported. |
Currently unsupported. |
.Ss \&TE |
.Ss \&TE |
End a table context. |
End a table context. |
Line 1684 Notify on change of string or macro. |
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Line 1684 Notify on change of string or macro. |
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This is a Heirloom extension and currently ignored. |
This is a Heirloom extension and currently ignored. |
.Ss \&watchlength |
.Ss \&watchlength |
On change, report the contents of macros and strings |
On change, report the contents of macros and strings |
up to the sepcified length. |
up to the specified length. |
This is a Heirloom extension and currently ignored. |
This is a Heirloom extension and currently ignored. |
.Ss \&watchn |
.Ss \&watchn |
Notify on change of register. |
Notify on change of register. |
Line 1779 minimum (not available in C) |
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Line 1779 minimum (not available in C) |
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maximum (not available in C) |
maximum (not available in C) |
.El |
.El |
.Pp |
.Pp |
There is no concept of precendence; evaluation proceeds from left to right, |
There is no concept of precedence; evaluation proceeds from left to right, |
except when subexpressions are enclosed in parantheses. |
except when subexpressions are enclosed in parantheses. |
Inside parentheses, whitespace is ignored. |
Inside parentheses, whitespace is ignored. |
.Sh ESCAPE SEQUENCE REFERENCE |
.Sh ESCAPE SEQUENCE REFERENCE |