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readable format.

* print.c (print_preprocess, print_object): Print hashtables fully
and readably.
(syms_of_print): Provide 'hashtable-print-readable.

(read-file-local-variable, read-file-local-variable-value)
(read-file-local-variable-mode, modify-file-local-variable)
(modify-file-local-variable-prop-line)
(modify-dir-local-variable): New functions.
(add-file-local-variable, delete-file-local-variable)
(add-file-local-variable-prop-line, delete-file-local-variable-prop-line)
(add-dir-local-variable, delete-dir-local-variable)
(copy-file-locals-to-dir-locals, copy-dir-locals-to-file-locals)
(copy-dir-locals-to-file-locals-prop-line): New commands.

Suggested by Karl Chen.

(gdb-overlay-arrow-position): Renamed to
`gdb-disassembly-position'.
(gdb-overlay-arrow-position, gdb-thread-position)
(gdb-disassembly-position): Declare variables.
(gdb-wait-for-pending): Function now.
(gdb-add-subscriber, gdb-delete-subscriber, gdb-get-subscribers)
(gdb-emit-signal, gdb-buf-publisher): Declare before first use so
compilation goes smoothly.
(gdb, gdb-non-stop, gdb-buffers): New customization groups.
(gdb-non-stop-setting): New customization setting which replaces
`gdb-non-stop' so changing it doesn't break active GDB session.
(gdb-stack-buffer-locations, gdb-stack-buffer-addresses)
(gdb-thread-buffer-verbose-names, gdb-thread-buffer-arguments)
(gdb-thread-buffer-locations, gdb-thread-buffer-addresses)
(gdb-show-threads-by-default): New customization options.
(gdb-buffer-type, gdb-buffer-shows-main-thread-p): New helper
routines.
(gdb-get-buffer-create): Send buffers update signal when they are
created.
(gdb-invalidate-locals, gdb-invalidate-registers)
(gdb-invalidate-breakpoints)
(gdb-invalidate-threads, gdb-invalidate-disassembly)
(gdb-invalidate-memory): Accept update signal.
(gdb-current-context-command): Use --frame option.
(gdb-update-gud-running, gdb-running, gdb-setq-thread-number):
Implement `gdb-frame-number' selection logic.
(gdb-show-run-p, gdb-show-stop-p): Helper functions which decide
whether to show GUD toolbar buttons.
(gdb-thread-exited): Unselect current thread when it exits.
(gdb-stopped): Typo fixed (now really runs `gdb-stopped-hooks').
(gdb-mark-line): Routine which sets overlay arrow or inverses
video on fringeless displays.
(gdb-table, gdb-table-add-row, gdb-table-string): Structure used
to build aligned columns of data in GDB buffers and set text
properties line-by-line.
(gdb-invalidate-breakpoints)
(gdb-breakpoints-list-handler-custom)
(gdb-thread-list-handler-custom, gdb-disassembly-handler-custom)
(gdb-stack-list-frames-custom, gdb-locals-handler-custom)
(gdb-registers-handler-custom): Align data columns.
(gdb-locals-handler-custom): Now prints data like in variable
declarations.
(gdb-jump-to, gdb-file-button, gdb-insert-file-location-button):
Removed confusing buttons.
(gdb-invalidate-threads): Append --frame.
(gdb-threads-mode-map, gdb-breakpoints-mode-map): TAB to switch
between breakpoints/threads buffers.
(gdb-set-window-buffer): Now can ignore dedicated windows.
(gdb-propertize-header): Use `gdb-set-window-buffer'.
(def-gdb-thread-buffer-simple-command): Numerous typos fixed.
(def-gdb-thread-buffer-gud-command): Replaces
`def-gdb-thread-buffer-gdb-command' and uses standard GUD commands
for fine thread control.
(gdb-preempt-existing-or-display-buffer): New function used to
display bound buffers without breaking window layout.
(gdb-frame-location): Replaces `gdb-insert-frame-location'.
(gdb-select-frame): New version of `gdb-frames-select' which now
sets `gdb-frame-number' so commands may use --frame option instead
of inner debugger state.
(gdb-frame-handler): Do not set `gdb-frame-number'.
(gdb-threads-mode-map): Select threads with mouse.

(I forgot to include sources in previous commit)

(gdb-overlay-arrow-position): Renamed to
`gdb-disassembly-position'.
(gdb-overlay-arrow-position, gdb-thread-position)
(gdb-disassembly-position): Declare variables.
(gdb-wait-for-pending): Function now.
(gdb-add-subscriber, gdb-delete-subscriber, gdb-get-subscribers)
(gdb-emit-signal, gdb-buf-publisher): Declare before first use so
compilation goes smoothly.
(gdb, gdb-non-stop, gdb-buffers): New customization groups.
(gdb-non-stop-setting): New customization setting which replaces
`gdb-non-stop' so changing it doesn't break active GDB session.
(gdb-stack-buffer-locations, gdb-stack-buffer-addresses)
(gdb-thread-buffer-verbose-names, gdb-thread-buffer-arguments)
(gdb-thread-buffer-locations, gdb-thread-buffer-addresses)
(gdb-show-threads-by-default): New customization options.
(gdb-buffer-type, gdb-buffer-shows-main-thread-p): New helper
routines.
(gdb-get-buffer-create): Send buffers update signal when they are
created.
(gdb-invalidate-locals, gdb-invalidate-registers)
(gdb-invalidate-breakpoints)
(gdb-invalidate-threads, gdb-invalidate-disassembly)
(gdb-invalidate-memory): Accept update signal.
(gdb-current-context-command): Use --frame option.
(gdb-update-gud-running, gdb-running, gdb-setq-thread-number):
Implement `gdb-frame-number' selection logic.
(gdb-show-run-p, gdb-show-stop-p): Helper functions which decide
whether to show GUD toolbar buttons.
(gdb-thread-exited): Unselect current thread when it exits.
(gdb-stopped): Typo fixed (now really runs `gdb-stopped-hooks').
(gdb-mark-line): Routine which sets overlay arrow or inverses
video on fringeless displays.
(gdb-table, gdb-table-add-row, gdb-table-string): Structure used
to build aligned columns of data in GDB buffers and set text
properties line-by-line.
(gdb-invalidate-breakpoints)
(gdb-breakpoints-list-handler-custom)
(gdb-thread-list-handler-custom, gdb-disassembly-handler-custom)
(gdb-stack-list-frames-custom, gdb-locals-handler-custom)
(gdb-registers-handler-custom): Align data columns.
(gdb-locals-handler-custom): Now prints data like in variable
declarations.
(gdb-jump-to, gdb-file-button, gdb-insert-file-location-button):
Removed confusing buttons.
(gdb-invalidate-threads): Append --frame.
(gdb-threads-mode-map, gdb-breakpoints-mode-map): TAB to switch
between breakpoints/threads buffers.
(gdb-set-window-buffer): Now can ignore dedicated windows.
(gdb-propertize-header): Use `gdb-set-window-buffer'.
(def-gdb-thread-buffer-simple-command): Numerous typos fixed.
(def-gdb-thread-buffer-gud-command): Replaces
`def-gdb-thread-buffer-gdb-command' and uses standard GUD commands
for fine thread control.
(gdb-preempt-existing-or-display-buffer): New function used to
display bound buffers without breaking window layout.
(gdb-frame-location): Replaces `gdb-insert-frame-location'.
(gdb-select-frame): New version of `gdb-frames-select' which now
sets `gdb-frame-number' so commands may use --frame option instead
of inner debugger state.
(gdb-frame-handler): Do not set `gdb-frame-number'.
(gdb-threads-mode-map): Select threads with mouse.

Argument `key' renamed to `buffer-type'.
(gdb-current-context-buffer-name): Do not add thread info to
buffer name when no thread is selected.
(gdbmi-record-list, gdb-shell): Try to handle GDB `shell'
command (bug 3794).
(gdb-thread-selected): Handle `=thread-selected' notification.
(gdb-wait-for-pending): New macro to deal with congestion problems.
(gdb-breakpoints-list-handler-custom): Don't fail on pending
breakpoints.
(gdb-invalidate-disassembly): Use 'fullname instead of 'file. This
fixes problem similar to one described in bug 3947.
(gud-menu-map): More menu items.
(gdb-init-1): Reset `gdb-thread-number' to nil.

non-stop settings.

* progmodes/gdb-mi.el (gdb-thread-number): Initialize with nil.
(gdb-current-context-command): Do not append --thread if
`gdb-thread-number' is nil.
(gdb-running-threads-count, gdb-stopped-threads-count): New
variables.
(gdb-non-stop, gdb-gud-control-all-threads, gdb-switch-reasons)
(gdb-stopped-hooks, gdb-switch-when-another-stopped): New
customization options.
(gdb-gud-context-command, gdb-gud-context-call): New wrappers for
GUD commands.
(gdb): `gud-def' definitions changed to use `gdb-gud-context-call'
(gdb-init-1): Activate non-stop mode if `gdb-non-stop' is enabled.
(gdb-setq-thread-number, gdb-update-gud-running): New functions to
set `gdb-thread-number' and update `gud-running' properly.
(gdb-running): Update threads list when new threads appear.
(gdb-stopped): Support non-stop operation and new thread switching
logic.
(gdb-jsonify-buffer, gdb-json-read-buffer, gdb-json-string)
(gdb-json-partial-output): New set of JSON routines.
(def-gdb-auto-update-trigger): New `signal-list' optional
argument.
(gdb-thread-list-handler-custom): Update `gud-running',
`gdb-stopped-threads-count' and `gdb-running-threads-count'.
(def-gdb-thread-buffer-gdb-command, gdb-interrupt-thread)
(gdb-continue-thread, gdb-step-thread): New commands for fine
thread execution control.
(gud-menu-map): New menu items to switch non-stop options.
(gdb-reset): Cleanup `gdb-thread-position' overlay arrow marker.

(gdb-rules-update-trigger): Accessors for gdb-buffer-rules.
(def-gdb-auto-update-handler): New nopreserve optional argument.
(gdb-stack-list-frames-custom): Print stack from top to bottom.

(gdb-threads-list, gdb-breakpoints-list): New assoc lists.
(gdb-parent-mode): New mode to derive other GDB modes from.
(gdb-display-disassembly-for-thread)
(gdb-frame-disassembly-for-thread): New commands for threads
buffer.

handle pending triggers.
(gdb-threads-mode-map, def-gdb-thread-buffer-command)
(def-gdb-thread-buffer-simple-command)
(gdb-display-stack-for-thread, gdb-display-locals-for-thread)
(gdb-display-registers-for-thread, gdb-frame-stack-for-thread)
(gdb-frame-locals-for-thread, gdb-frame-registers-for-thread): New
commands which show buffers bound to thread.
(gdb-stack-list-locals-regexp): Removed unused regexp.

(gdb-bind-function-to-buffer, gdb-add-subscriber)
(gdb-get-subscribers, gdb-emit-signal, gdb-buf-publisher)
(gdb-update): We now store all GDB buffers in a list so that they
can be updated by traversing a list instead of calling invalidate
triggers explicitly
(def-gdb-trigger-and-handler): New macro to define trigger-handler
pair for GDB buffer.
(gdb-stack-buffer-name): Add thread information.

(gdb-locals-buffer-name, gdb-registers-buffer-name)
(gdb-memory-buffer-name, gdb-stack-buffer-name): Do not switch
to (gud-comint-buffer) in *-buffer-name functions
because (gdb-get-target-string) already does that.
(gdb-locals-handler-custom, gdb-registers-handler-custom)
(gdb-changed-registers-handler): Rewritten without regexps.

(gdb-current-context-command): New macro which adds --thread
option to command.
(gdb-threads-mode-map): Select thread with SPC
(gdb-thread-list-handler-custom): Mark current thread with overlay
arrow. Synchronize GDB thread and Emacs thread.
(gdb-select-thread): New command which selects current thread.
(gdb-invalidate-frames, gdb-invalidate-locals)
(gdb-invalidate-registers): Use --thread option.

robust.
(tramp-handle-insert-file-contents): `unwind-protect' must be
inside `with-parsed-tramp-file-name'.

fails.

directory if CLASSPATH is not set.

defconst.
(tramp-rfn-eshadow-update-overlay): Use it.

freshmeat link.  Delete newsforge.com as it seems gone.

* w32-fns.el (x-set-selection): Doc fix (Bug#4021).

dir-locals-find-file properly (Bug#4005).

files.

`auto-revert-tail-mode' for remote files.

(tramp-handle-insert-file-contents): Optimize, when BEG
or END is non-nil.
(tramp-handle-vc-registered): Use `tramp-cache-inhibit-cache'.
(tramp-get-debug-buffer): Change `outline-regexp' according to new
format.

(tramp-get-file-property): Use it.

* nsfont.m (ns_descriptor_to_entity): Handle case when descriptor has no family set. (nsfont_open): Handle case when entity has no family.

MUSTMATCH as nil when invoking x-file-dialog.  (Bug#3969)

(font-lock-variable-name-face, font-lock-constant-face): Darken
the colors for light backgrounds.