Font Metadata
Style Linking
How Bold and Italic keyboard shortcuts work.
The RIBBI Model
Traditional style linking works in groups of four: Regular, Italic, Bold, Bold Italic. The fsSelection bits in OS/2 define which style is which.
Regular
Bit 6: REGULAR
Italic
Bit 0: ITALIC
Bold
Bit 5: BOLD
Bold Italic
Bits 0+5
Limitations
Only four styles can be linked. Light, Medium, SemiBold, Black, and other weights cannot be accessed via keyboard shortcuts—they must be selected from the font menu.