dcl-basic-offset

dcl-basic-offset is a variable defined in `dcl-mode.el'.
Its value is

4

Documentation:
Number of columns to indent a block in DCL.
A block is the commands between THEN-ELSE-ENDIF and between the commands
dcl-block-begin-regexp and dcl-block-end-regexp.

The meaning of this variable may be changed if
dcl-calc-command-indent-function is set to a function.

You can customize this variable.