%ACTIVATE Statement
A %ACTIVATE statement makes an identifier active and
eligible for replacement. Any subsequent encounter of that identifier
in the input text while the identifier is active initiates replacement
activity.
 .-,------------------------.
V .-RESCAN---. |
>>-%--ACTIVATE----identifier--+----------+-+--;----------------><
+-SCAN-----+
'-NORESCAN-'
|
Abbreviation: %ACT
- identifier
- Specifies the name of a preprocessor variable, a preprocessor
procedure, or a preprocessor built-in function.
The identifier should not refer to an array variable.
- RESCAN
- Specifies that the identifier is replaced as many times as
necessary to replace all active identifiers before being placed
into the output.
- SCAN
- Specifies that the identifier is replaced only once before
being placed into the output.
- NORESCAN
- Synonym for SCAN.
Using the %ACTIVATE statement for an identifier that
is already active has no effect, except possibly to change the scanning
status.
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