dcl-calc-cont-indent-function

dcl-calc-cont-indent-function is a variable defined in `dcl-mode.el'.
Its value is

dcl-calc-cont-indent-relative

• This variable may be risky if used as a file-local variable.

Documentation:
Function to calculate indentation for a continuation line.
If this variable is non-nil it is called as a function:

(func CUR-INDENT EXTRA-INDENT)

The function must return the number of columns to indent the current line or
nil to get the default indentation.

If this variable is nil, the indentation is calculated as
CUR-INDENT + EXTRA-INDENT.

This package includes one function suitable for this:
dcl-calc-cont-indent-relative

You can customize this variable.