Scheme Editor Commands

Autoindent is active and color changes on each parenthesis level.
CTRLPT-Aenlarge mark around Scheme expression
CTRLPT-Zmark the biggest Scheme expression
CTRLPT-F10evaluate marked expression
ALT-F10evaluate current file
TABcomplete symbol or reindent line/block
SHIFT-TABprepare to add a comment
ALT-Q 〈keyuse key's basic definition