Warn about INFOPATH shadowing package manuals

* doc/emacs/package.texi (Packages): Add footnote.  (Bug#81105)
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Philip Kaludercic 2026-08-07 22:29:38 +02:00
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@ -21,10 +21,13 @@ fine-tuning your use of the package.
@cindex Emacs Lisp package archive
Packages can also be provided by @dfn{package archives}, which are
large collections of Emacs Lisp packages. Each package is a separate
Emacs Lisp program, sometimes including other components such as an
Info manual. Emacs includes a facility that lets you easily download
and install packages from such archives. The rest of this chapter
describes this facility.
Emacs Lisp program, sometimes including other components such as an Info
manual@footnote{Note that if your system sets the @env{INFOPATH}
environmental variable, without a trailing path separator, then this
shadows the manuals that Emacs registers during startup, @xref{Other Info
Directories,,,texinfo, Texinfo}.}. Emacs includes a facility that lets
you easily download and install packages from such archives. The rest
of this chapter describes this facility.
To list the packages available for installation from package
archives, type @w{@kbd{M-x list-packages @key{RET}}}. It brings up a