vhdl-electric-tab
vhdl-electric-tab is an interactive compiled Lisp function in `vhdl-mode.el
'.
(vhdl-electric-tab &optional PREFIX-ARG)
If preceding character is part of a word or a paren then hippie-expand,
else if right of non whitespace on line then insert tab,
else if last command was a tab or return then dedent one step or if a comment
toggle between normal indent and inline comment indent,
else indent `correctly'.