Key	Description	Mnemonic	Note
o	show outline	outline	table of contents
f	find and follow a link	follow
l	go back	left	also B
r	go forward	right
q	bury buffer	quit	with C-u, kill
C-c C-r t	toggle theming	theme
+	zoom in
-	zoom out
0	zoom reset
n	next page		good for slides
p	previous page		good for slides
P	fit to page
W	fit to page width

How to search a directory with PDF files for a regular expression?

1. Open dired.
2. Mark some PDF files.
3. Execute pdf-occur-dired-do-search.
4. Enter a search query.
5. Type g to search again with a new query.

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