Cannot convert string "nil2" to type FontStruct

["Caloro Maurizio" <mauric%gmx.ch@localhost>]

Hello Netbsd members
i add "nil2" "courier-medium" fonts for xterm and ElvisX11. i think 
was successful but if i start Xterm / elvis stil the Warning appair.

Please what are me problem here ?, which file i missed here to 
configure the right font.
thanks
MC

NetBSD Stern 5.0 NetBSD 5.0 (GENERIC) #0: Sun Apr 26 18:50:08 UTC 2009  
builds%b6.netbsd.org@localhost:/home/builds/ab/netbsd-5-0-RELEASE/i386/200904260229Z
-obj/home/builds/ab/netbsd-5-0-RELEASE/src/sys/arch/i386/compile/GENERIC i386


pkg_add font-misc-misc
mkfontdir       /usr/X11R7/lib/X11/fonts/misc

cat             /usr/X11R7/lib/X11/fonts/misc/fonts.dir
[Snip] - over 100 entries
nil2.pcf.gz -misc-nil-medium-r-normal--2-20-75-75-c-10-misc-fontspecific

fc-cache -v
[Snip] -[please, why appair here only 55 fonts ?]
/usr/X11R7/lib/X11/fonts/misc: skipping, existing cache is valid: 55 fonts, 0 
dirs

Stern# xterm &
Stern# Warning: Cannot convert string "nil2" to type FontStruct

Stern# elvis
can't load font *-courier-medium-r-*-18-*
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