* progmodes/python.el
(python-pdbtrack-comint-output-filter-function): Enhancements on
stacktrace detection.  (thanks @gnovak)
* lisp/jit-lock.el (jit-lock-stealth-chunk-start): Don't widen.
(jit-lock-mode, jit-lock-functions, jit-lock-context-unfontify-pos):
Use defvar-local.
(jit-lock-register): Use setq-local.
mouse-drag-line changes for mouse-1 in header-line

* lisp/mouse.el (mouse-drag-line): Avoid pushing same event onto
unread-command-events twice in some cases.  This tries to implement
the 2012-07-26 changes in a different way.
Merge from emacs-24; up to r111208
* lisp/imenu.el (imenu--truncate-items): Fix subalist checking.
* autorevert.el (auto-revert-use-notify): Fix docstring.
* lisp/progmodes/make-mode.el (makefile-backslash-region): Don't compute
column if we're just deleting the backslashes.
(makefile-fill-paragraph): Use eolp.
lisp/gnus/gnus-int.el (gnus-backend-trace): Honour gnus-backend-trace
* lisp/frame.el (toggle-frame-maximized, toggle-frame-fullscreen):
Use fullboth as an alias for fullscreen.  Suggested by Jan Djärv in
<http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00203.html>.
* lisp/progmodes/pascal.el (pascal-mode-syntax-table): Accept //..\n comments.
* lisp/progmodes/opascal.el: Rename from delphi.el.  Use lexical-binding.
(opascal-newline-always-indents): Remove custom.
(opascal-tab, opascal-newline): Remove commands.
(opascal-new-comment-line): Insert "\n" instead of calling newline.
(opascal-mode-map): Keep default bindings for RET and TAB and DEL.
(opascal-save-match-data): Remove, use save-match-data instead.
(opascal-save-state): Use with-silent-modifications.
* lisp/simple.el (cycle-spacing): New command.
(just-one-space): Use it.
Reduce delay between backing up a file and saving new version

* lisp/files.el (basic-save-buffer-2):
Choose coding system for writing the file before backing it up.

* src/fileio.c (choose_write_coding_system): Make it callable from Lisp.
(Fwrite_region): If coding-system-for-write is set, don't call
choose_write_coding_system.
Move the last piece of choose_write_coding_system here.
(syms_of_fileio): Add choose-write-coding-system.
* net/tramp.el (tramp-tramp-file-p): Comment check for
`string-as-unibyte'.  The function does not exist on XEmacs, and
likely we need another approach.

* net/tramp-sh.el (tramp-compute-multi-hops): Check, whether
`tramp-gw-*' variables are bound.
Simplify part of previous Fwrite_region change
ChangeLog for previous fileio.c change
fix last patch
Merge calc news from lisp/calc/README into etc/NEWS files

* doc/misc/calc.texi (Help Commands): Update calc-view-news description.

* lisp/calc/calc-help.el (calc-view-news): Use view-emacs-news.

* lisp/calc/README: Move news entries from here...
* etc/NEWS, etc/NEWS.23: ... to here
Move lisp/calc/README* to etc/CALC-NEWS

* make-dist: Only README files exist in lisp/ now, not README*.

* doc/misc/calc.texi (Help Commands): Mention etc/CALC-NEWS.

* etc/CALC-NEWS: Move here from lisp/calc/README, README.prev.

* lisp/calc/README, lisp/calc/README.prev: Rename/merge to etc/CALC-NEWS.
Remove info duplicated from manual; convert to outline mode format.