The indentation used for Lisp forms can be modified to suit the preferences of the user.
The default indentations can be found in the fileconfig/indents.lisp in the LispWorks library directory. If you want to alter your personal Lisp indentation, put the modifying code in your.lispworks file.
Function
editor:setup-indent form-name no-of-args &optional standard special
if in Lisp code is established by:
(editor:setup-indent "if" 2 2 4)
if (i.e. thetest and thethen clauses) get indented 4 spaces relative to theif, and any further forms (here, just anelse clause) are indented by 2 spaces.