[e-lang] File API taming

[Raoul Duke]

> Most modern OSes do something based on some notion of file type. Generally
> they associate a file with an application so double clicking the file opens
> the application.

hm, not sure what you mean by "most modern OSes" since I think only
un*xen use magic numbers any more? Mac OS X has turned to the 'dark
side' of using the file name extension like Widows.

sincerely.