[Aspell-user] using multiple dictionaries at the same time

[Neo Neo]

Hi,

I would like to use multiple dictionaries (English and French) at the same time with aspell.

The documention leads me to believe that this is possible using the --add-extra-dict 
option.

But doing so, I get the error, "Error: Expected language "en" but got "fr""?

I've read the past postings on this, which say that aspell can only support a single language, but then why does it say on the website that "Other advantages over
Ispell include support for using multiple dictionaries at once and
intelligently handling personal dictionaries when more than one Aspell
process is open at once."

Thanks for any suggestions.