Discuss how to use the Ren'Py engine to create visual novels and story-based games. New releases are announced in this section.
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Choice statements are greedily grouped into a choice set when more than one choice statement appears consecutively in a block. If the simple_expression is supplied, it is a floating-point weight given to that block, otherwise 1.0 is assumed.
It is a Backus–Naur form of defining syntax. It says, that atl_choice statement consist of
* literal word "choice" (without quotes)
* optional simple_expression (which can be a number, variable, etc...)
* literal ":" (semicolon without quotes)
* indented atl_block