Macro Language Reference > Macros > Text (Frame Level) > ttchange
  
ttchange
Description
Specifies that a given text stream should record blacklining information.
Syntax
ttchange stream:t? on_off:o?
stream
The stream for which blacklining information should be activated.
If the stream parameter is not specified, PTC Arbortext Layout Developer will use the current stream.
on_off
0
Do not record blacklining information
1
Record blacklining information
If on_off parameter is not specified, the macro toggles blacklining information on and off.