Non portable man page sane-hp5590.man

Hello,

the man page sane-hp5590.man use \f[C] to select the font "C".

"C" is not available on all systems. You can found a good explanation at [1].

CU Jörg

[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1043256#10

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information