Coding}.
@cindex @env{INSIDE_EMACS} environment variable
- Emacs sets the envitonment variable @env{INSIDE_EMACS} to @code{t}
-in the subshell. Programs can check this variable to determine
-whether they are running inside an Emacs subshell.
+ Emacs sets the environment variable @env{INSIDE_EMACS} (to a
+comma-separated list including the Emacs version) in the subshell.
+Programs can check this variable to determine whether they are running
+inside an Emacs subshell.
@cindex @env{EMACS} environment variable
- Emacs also sets the @env{EMACS} environment variable to @code{t} if
+ Emacs also sets the @env{EMACS} environment variable (to @code{t}) if
it is not already defined. @strong{Warning:} This environment
variable is deprecated. Programs that check this variable should be
changed to check @env{INSIDE_EMACS} instead.