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    echo("cat", "message");


If category is omitted the string is unconditionally printed. Otherwise you need to pass -js_debug cat,cat to enable the categories you want to see.

Note that _all means all categories and _top means only output from the top project (not sub-projects). You can pass _list to see what categories there are (the first message from each category will be printed). Note that the list of printed categories is per-project so you should generally combine _top with _list.

See also Functions.

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