[pdftex] Re: expansion & protruding

[The Thanh Han]

> Up to now I thought that protruded font is a font with slightly
> changed width. If I am right, file size should increase when
> protruding is used.(?)

protruding (or margin kerning) doesn't not increase file size -- it doesn't
use any extra fonts but simply makes adjustment of characters placement at
the margins. I call a font with slightly changed width as expanded font.

Regards,
Thanh