Unilingua

[Harald Tveit Alvestrand]

--On lørdag, september 17, 2005 10:43:10 +0100 Debbie Garside 
<debbie at ictmarketing.co.uk> wrote:

> Tex wrote:
>
>> If and when someone gives me a way to review a document and determine the
>> proper language tag, and we all agree on the right tag, and it doesn't
>> require three linguists to do the determination, I'll believe we have a
>> system worth all these refinements.
>
> The software is currently under development; a tool that can determine the
> language used within a document.

Google's been using such a tool for years; it does not expose its tags, but 
allows you to search for them (for a limited list of languages).

Works well most of the time.