Index Options Menu
Help Settings ...
This dialog contains a choice for selecting the internal viewer or a HTML
browser to view help topics. The path to the documentation you are looking
at and the JDK documentation can be specified. A "?" character in
the index file name will be replaced by the first character of the keyword
you're looking for, a"#" character will be replaced by a number
(e.g. "1" for "a", "2" for "b" and so on).
HTML browser's options are similar as described in Run
Settings ....