Purpose

#suppress is one of the built-in program output streams.

The #suppress stream is used to discard data. Output can be directed to #suppress for actions that may produce output that is not wanted. If #suppress is specified with other destination streams in an output-to, using output as, or put action, then the data is still written to the other streams. The data is discarded only if #suppress is the only stream being written to.

Markup rules that process content may use the suppress operator to discard the content. The suppress operator sets the current output stream to #suppress, so that any rules invoked during content processing will also discard their output.

By default, the #suppress stream in any program that uses referents is treated as if it were opened with referents-displayed.

The #suppress stream always has the "h" modifier on any text that gets written to it, which means that line breaking is never carried out on it. Additionally, the suppress action activates the "z" modifier, which means that any data content it encompasses does not go through translate rules.

Related Syntax    #error    suppress

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