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Calls stop if the parameter is invalid
stop
check_param(param)
nothing
a parameter, as can be created by create_param.
create_param
Richèl J.C. Bilderbeek
Use create_param to create a valid parameter
check_empty_beautier_folder() check_param(create_alpha_param()) check_param(create_beta_param()) check_empty_beautier_folder()
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