* src/callproc.c (child_setup, getenv_internal, Fgetenv_internal):
Store the local environment in a frame (not terminal) parameter.
Update doc strings.
(syms_of_callproc): Update doc strings.
(Qenvironment): Moved to frame.c.
* lisp/env.el (read-envvar-name, setenv, getenv, environment): Use frame
parameters to store the local environment, not terminal parameters.
* server.el (server-process-filter): Store the local environment in a
frame (not terminal) parameter. Do not try to decode environment
strings.
* lisp/frame.el (make-frame): Set up the 'environment frame parameter,
when needed.
* src/frame.c (Qenvironment): Move here from callproc.c.
(Fdelete_frame): Don't allow other frames to refer to a deleted frame
in their 'environment parameter.
(Fframe_with_environment): New function.
(syms_of_frame): Defsubr it. Initialize and staticpro Qenvironment.
* frame.h (Qenvironment): Declare.
* lisp.h (Fframe_with_environment): EXFUN it.
git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-467
* lisp/env.el: Require cl for byte compilation. (For `block' and `return'.)
(read-envvar-name): Update for rename. Include `process-environment'
as well.
(setenv): Update for rename also handle `process-environment'. Update doc.
(getenv): Update doc.
(environment): New function.
(let-environment): New macro.
* lisp/font-lock.el (lisp-font-lock-keywords-2): Add `let-environment'.
* src/callproc.c (Vglobal_environment): New variable, taking over the
previous role of `Vprocess_environment', which is now something else.
(add_env): New function.
(child_setup): Use it.
(child_setup, getenv_internal): Rename Vprocess_environment to
Vglobal_environment. Handle the new Vprocess_environment.
(Fgetenv_internal, egetenv): Update doc.
(set_process_environment): Rename to `set_global_environment'. Rename
Vprocess_environment to Vglobal_environment.
(syms_of_callproc): Rename process-environment to global-environment,
add new process-environment, update docs.
* src/emacs.c (main): Call set_global_environment instead of
set_process_environment.
* fileio.c (Fread_file_name): Update comment.
git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-465
(substitute-env-vars): Use eval-when-compile and char class.
(setenv): Doc fix. Encode the data (after checking that's
possible).
(getenv): Encode the name and decode the result.
(setenv): Use setenv-history.
Place the variable's current value at front of setenv-history
while reading the new value.
(setenv): Provide history, completion for envvar.
(read-envvar-name-history): New variable.
(read-envvar-name): New function.
