Project: c-1
TOC: c-2
Normal: c-s-N
Headings 1-3: c-a-1/2/3
Headings 4 up: c-s-S then arrow the style drop-down
Bullets/numbers: c-s-L
^W --- quick preview of a topic
^R --- build the default target
menu-V --- builds a target
Hyperlink: c-K
Pictures: c-G
Text-only popup: c-a-P
Topic/etc properties: a-Enter
Tag dialog: c-N