Minor edits in tramp.texi

* doc/misc/tramp.texi (Password handling): Say "user option".
(Remote shell setup): Say "environment variable".
(External packages): Add `non-essential' to variable index.

diff --git a/doc/misc/tramp.texi b/doc/misc/tramp.texi
index 88fa55fdeeb777fadbad2184aac928381b9ea51c..530e8dc1b4cd980852dcac629b308f3766bbcef3 100644 (file)
--- a/doc/misc/tramp.texi
+++ b/doc/misc/tramp.texi
@@ -1646,7 +1646,7 @@ the need.
 The package @file{auth-source.el}, originally developed for No Gnus,
 reads passwords from different sources, @xref{Help for users, ,
 auth-source, auth}.  The default authentication file is
-@file{~/.authinfo.gpg}, but this can be changed via the variable
+@file{~/.authinfo.gpg}, but this can be changed via the user option
 @code{auth-sources}.
 
 @noindent
@@ -1670,7 +1670,7 @@ If there doesn't exist a proper entry, the password is read
 interactively.  After successful login (verification of the password),
 it is offered to save a corresponding entry for further use by
 @code{auth-source} backends which support this.  This could be changed
-by setting the variable @code{auth-source-save-behavior} to @code{nil}.
+by setting the user option @code{auth-source-save-behavior} to @code{nil}.
 
 @vindex auth-source-debug
 Set @code{auth-source-debug} to @code{t} to debug messages.
@@ -2031,10 +2031,10 @@ shell-specific config files.  For example, bash can use
 parsing.  This redefinition affects the looks of a prompt in an
 interactive remote shell through commands, such as @kbd{M-x shell
 @key{RET}}.  Such prompts, however, can be reset to something more
-readable and recognizable using these @value{tramp} variables.
+readable and recognizable using these environment variables.
 
-@value{tramp} sets the @env{INSIDE_EMACS} variable in the startup
-script file @file{~/.emacs_SHELLNAME}.
+@value{tramp} sets the @env{INSIDE_EMACS} environment variable in the
+startup script file @file{~/.emacs_SHELLNAME}.
 
 @env{SHELLNAME} is @code{bash} or equivalent shell names.  Change it by
 setting the environment variable @env{ESHELL} in the @file{.emacs} as
@@ -3671,7 +3671,7 @@ Due to the remote shell saving tilde expansions triggered by
 @value{tramp} can suppress this behavior with the user option
 @code{tramp-histfile-override}.  When set to @code{t}, environment
 variable @env{HISTFILE} is unset, and environment variables
-@env{HISTFILESIZE} @env{HISTSIZE} are set to 0.
+@env{HISTFILESIZE} and @env{HISTSIZE} are set to 0.
 
 Alternatively, @code{tramp-histfile-override} could be a string.
 Environment variable @env{HISTFILE} is set to this file name then.  Be
@@ -4133,6 +4133,7 @@ handlers.
 @section Integrating with external Lisp packages
 @subsection File name completion.
 
+@vindex non-essential
 Sometimes, it is not convenient to open a new connection to a remote
 host, including entering the password and alike.  For example, this is
 nasty for packages providing file name completion. Such a package