Add a cross-reference to "Init File" node.
(Invoking emacsclient): Add index entries. Document both short and long
versions of command-line options. Document the -f option.
variable now defaults to Emacs's absolute file name, instead of
to "t".
* etc/PROBLEMS: Adjust tcsh advice for this.
* make-dist (EMACS): Exit and fail if the EMACS environment
variable is set to something other than an absolute file name.
* lisp/comint.el (comint-exec-1): Set EMACS to the full name of Emacs,
not to "t".
* lisp/progmodes/compile.el (compilation-start): Likewise.
* lisp/progmodes/idlwave.el (idlwave-rescan-asynchronously):
Don't use expand-file-name on invocation-directory, since this
might mishandle special characters in invocation-directory.
* man/faq.texi (Escape sequences in shell output): EMACS is now set
to Emacs's absolute file name, not to "t".
(^M in the shell buffer): Likewise.
* man/misc.texi (Interactive Shell): Likewise.
(Shell Mode): Add xref to `Shell Prompts'. Clarify `C-c C-u'
description. Delete remarks moved to new node.
(Shell Prompts): New node.
(History References): Replace remarks moved to `Shell Prompts'
with xref to that node.
(Remote Host): Clarify how to specify the terminal type when
logging in to a different machine.
Add an xref to Invoking emacsclient.
(Help Summary): Clarify when "C-h ." will do something nontrivial.
(Apropos): Add cindex entry for apropos-sort-by-scores.
Document async shell commands.
(Shell History): Clarify.
(Shell Ring): Mention C-UP an C-DOWN.
(Shell Options): Add comint-prompt-read-only.
(Invoking emacsclient): Set EDITOR to run Emacs.
(Sorting): No need to explain what region is.
(Saving Emacs Sessions): Fix typo.
(Recursive Edit): Fix punctuation.
(Emulation): Don't mention "PC bindings" which are standard.
(Hyperlinking): Explain Mouse-1 convention here.
(Find Func): Node deleted.
