vhdl-standard

vhdl-standard is a variable defined in `vhdl-mode.el'.
Its value is

(93 nil)

Documentation:
VHDL standards used.
Basic standard:
VHDL'87 : IEEE Std 1076-1987
VHDL'93/02 : IEEE Std 1076-1993/2002
Additional standards:
VHDL-AMS : IEEE Std 1076.1 (analog-mixed-signal)
Math packages: IEEE Std 1076.2 (`math_real', `math_complex')

NOTE: Activate the new setting in a VHDL buffer by using the menu entry
"Activate Options".

You can customize this variable.