sh-get-indent-var-for-line
sh-get-indent-var-for-line is a compiled Lisp function in `sh-script.el
'.
(sh-get-indent-var-for-line &optional INFO)
Return the variable controlling indentation for this line.
If there is not [just] one such variable, return a string
indicating the problem.
If INFO is supplied it is used, else it is calculated.