Why 'Sans' as Pango default font family name?

[Tony Graham <Tony Graham ireland sun com>]

Much about Pango's font properties matches CSS font properties: for
example, the allowed values for font weight, variant, and stretch
match the CSS values.

I'm left wondering why the default font family name is 'Sans' rather
than something CSS-like such as 'sans-serif' or 'serif'.

I notice that 'Sans' and 'sans' appears in the GTK+ code.  Is this
Pango influencing GTK+ or GTK+ influencing Pango?

Regards,


Tony Graham
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