[pdftex] Character protruding error by font expasion

[Nagy Bence]

> This means that no expanded MM font instance has been used at all,
> but only a version internally _extended_ by pdftex (which is inferior,
> as it only works by stretching/changing some transform matrix).

There is the same problem both with the real font instances
(fontname+10.(pfb|tfm), fontname+20.pfb...) and with the basefont
expanded by pdfTeX (fontname.pfb and all the tfm files). So my minimal
test example contains just one postscript fontfile, although I know the
difference.

Greetings,

Bence