Tabs and Indents
Function or procedure call
Use tab character
Use TAB characters instead of SPACE characters for indents.
Use combination of TAB and SPACE characters depending on the context.
Set the size of a TAB in a number of spaces.
Set the size of an indent in a number of spaces.
Add a number of SPACE characters to an indent on a next line for a multiline expression. Consider the following example with zero indent and aligned strings.
Keep indents on empty lines
Keep indents if the line is empty.