Can you force the detection algorithm only to choose between a short list of languages?

[joseberlines]

Imagine I know that the language I want to detect is en, fr, de, sp of it, how can I help the algorithm to force it to detect only those (and hence perhaps run faster)?

[Hugo van Kemenade]

Duplicate of #71?

It has a solution/workaround:

• #71 (comment)

[joseberlines]

Thanks