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Parameters.  Document font-backend parameter.

* vol2.texi (Top): Update node listing.
* vol1.texi (Top): Update node listing.
* elisp.texi (Top): Update node listing.

description of editres, which is not very useful these days.
(Table of Resources): Document fontBackend resource.

(DEL Does Not Delete): Note that the erasure key is usually labelled
"Backspace".  Remove discussion of obscure Xmodmap issue.

Only modify the default-directory in *Completions* (bug#3250).
Take partial-completion into account when setting default-directory.

before Xft one (Bug#1696).

what we expect to get in the next ConfigureNotify event.

split-window-sensibly's window argument in descriptions of
split-height-threshold and split-width-threshold.

NSBitsPerPixelFromDepth (Bug#3207).

values `confirm' and `confirm-after-completion'.
(ido-read-internal, ido-buffer-internal, ido-file-internal):
Setup and handle require-match arg according to c-n-f-o-b.
(ido-show-confirm-message): New dynamic variable.
(ido-exit-minibuffer): Request confirmation for non-existing file
or buffer according to confirm-nonexistent-file-or-buffer.
(ido-decorations): Add 11th element for "confirm" message.
(ido-completions): Show confirmation message when requested.

* s/gnu-linux.h: Make GCPROs and UNGCPRO no-ops also on SuperH.

auto-coding-alist.  Add indexing.
(Lisp and Coding Systems): Add index entries.

and rewrite section on window splitting accordingly.
(Textual Scrolling): Replace `...' by @code{...}.

(xfont_check_registry_char_support): New functions.
(xfont_list_pattern): Delete unused arg FRAME, add arg CHARS.
Callers adjusted.
(xfont_list): Handle :script property.

(split-height-threshold, split-width-threshold): State in
doc-string that these affect split-window-sensibly.  Change
customization subtype from number to integer.
(window--splittable-p): Rename to window-splittable-p since it's
referred to in doc-string of split-window-sensibly.  Update
doc-string.
(window--try-to-split-window): Unconditionally call
split-window-preferred-function and move splitting functionality
to split-window-sensibly (Bug#3142).
(split-window-preferred-function): Rewrite doc-string.  Don't
allow nil as customization type.

x-get-resource due to not yet opened X connection.  This is a
temporary workaround for Bug#3194.

* mule.texi (International Chars): Define "multibyte".  Note that
internal representation is unicode-based.  Simplify definition of raw
bytes.  Mention ucs-insert.
(Enabling Multibyte): Remove obsolete discussion.  Copyedits.
(Language Environments): Add language environments new to Emacs 23.
(Multibyte Conversion): Node deleted.
(Coding Systems): Remove obsolete unify-8859-on-decoding-mode.  Don't
mention obsolete emacs-mule coding system.
(Output Coding): Copyedits.

* emacs.texi (Top): Update node listing.

Don't presume selected-frame is of type `ns'.