Stephen J. Turnbull writes:
>>>>> "giacomo" == giacomo boffi
giacomo> how did it come that XEmacs initializes truetype fonts at
giacomo> 75 dpi?
XEmacs doesn't do anything consistent about that.
XEmacs uses FcDefaultSubstitute  and that's a candidate for
something consistent about that
You should be able to fix it in your /etc/fonts/fonts.conf.
most applications AND lwlib get their fonts at proper pixelsizes,
it's difficult for me to understand why i should tinker the system
 from fontconfig-devel:
void FcDefaultSubstitute(FcPattern *pattern);
Supplies default values for underspecified font patterns:
* Patterns without a specified style or weight are set to
* Patterns without a specified style or slant are set to
* Patterns without a specified pixel size are given one
computed from any specified point size (default 12), dpi
(default 75) and scale (default 1).