5 misc fixes

[Pavel Roskin]

Hello, Robert!

> 	some standard *slanted* X11 fonts (esp. Adobe Courier and Helvetica)
> 	have -o- (outline?) instead of -i- (italic) in the XLFD name at the
> 	"slant" position. let's use them if an "-i- font" is not available!

"o" means "oblique", which is almost the same as "italic" (AFAIK).
If your X-Server lacks such fonts, you should add some code trying "i" if
"o" is not available. I can imagine that other X-Servers may lack
"italic" fonts.

Pavel Roskin