sh-learn-line-indent
sh-learn-line-indent is an interactive compiled Lisp function in `sh-script.el
'.
(sh-learn-line-indent ARG)
Learn how to indent a line as it currently is indented.
If there is an indentation variable which controls this line's indentation,
then set it to a value which would indent the line the way it
presently is.
If the value can be represented by one of the symbols then do so
unless optional argument ARG (the prefix when interactive) is non-nil.