RE: Info viewer - multiple directories.

[Drew Adams]

> I understand the emacs info viewer merges dir files found on
> INFOPATH into a single root page.
> 
> How does it handle the situation when there are two versions
> of the same info file on the path? I only see a link to one
> of the files. How does emacs decide which one to show? Is it
> possible to have it generate links to both?

C-h i, pick `Info' (the first manual listed in the menu)

g Emacs Info Variables
That takes you to node `Emacs Info Variables' of the Info manual.

See, e.g., `Info-directory-list', environment variable `INFOPATH',
`Info-default-directory-list', and `Info-additional-directory-list'.