[src/trunk]: src/external/bsd/tmux/dist CHANGES FROM 2.5 TO 2.6, 05 October 2017

To: source-changes-hg%NetBSD.org@localhost
Subject: [src/trunk]: src/external/bsd/tmux/dist CHANGES FROM 2.5 TO 2.6, 05 October 2017
From: christos <christos%NetBSD.org@localhost>
Date: Tue, 31 Jul 2018 21:33:25 +0000
details:   https://anonhg.NetBSD.org/src/rev/79bf542af1c4
branches:  trunk
changeset: 356790:79bf542af1c4
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Oct 12 21:59:47 2017 +0000

description:
CHANGES FROM 2.5 TO 2.6, 05 October 2017

* Add select-pane -T to set pane title.

* Fix memory leak when lines with BCE are removed from history.

* Fix (again) the "prefer unattached" behaviour of attach-session.

* Reorder how keys are checked to allow keys to be specified that have a
  leading escape. GitHub issue 1048.

* Support REP escape sequence (\033[b).

* Run alert hooks based on options rather than always, and allow further bells
  even if there is an existing bell.

* Add -d flag to display-panes to override display-panes-time.

* Add selection_present format when in copy mode (allows key bindings that do
  something different if there is a selection).

* Add pane_at_left, pane_at_right, pane_at_top and pane_at_bottom formats.

* Make bell, activity and silence alerting more consistent by: removing the
  bell-on-alert option; adding activity-action and silence-action options with
  the same possible values as the existing bell-action; adding a "both" value
  for the visual-bell, visual-activity and visual-silence options to trigger
  both a bell and a message.

* Add a pane_pipe format to show if pipe-pane is active.

* Block signals between forking and resetting signal handlers so that the
  libevent signal handler doesn't get called in the child and incorrectly write
  into the signal pipe that it still shares with the parent. GitHub issue 1001.

* Allow punctuation in pane_current_command.

* Add -c for respawn-pane and respawn-window.

* Wait for any remaining data to flush when a pane is closed while pipe-pane is
  in use.

* Fix working out current client with no target. GitHub issue 995.

* Try to fallback to C.UTF-8 as well as en_US.UTF-8 when looking for a UTF-8
  locale.

* Add user-keys option for user-defined key escape sequences (mapped to User0
  to User999 keys).

* Add pane-set-clipboard hook.

* FAQ file has moved out of repository to online.

* Fix problem with high CPU usage when a client dies unexpectedly. GitHub issue
  941.

* Do a dance on OS X 10.10 and above to return tmux to the user namespace,
  allowing access to the clipboard.

* Do not allow escape sequences which expect a specific terminator (APC, DSC,
  OSC) to wait for forever - use a small timeout. This reduces the chance of
  the pane locking up completely when sent garbage (cat /dev/random or
  similar).

* Support SIGUSR2 to toggle logging on a running server, also generate the
  "out" log file with -vv not -vvvv.

* Make set-clipboard a three state option: on (tmux both sends to outside
  terminal and accepts from applications inside); external (tmux sends outside
  but does not accept inside); and off.

* Fix OSC 4 palette setting for bright foreground colours. GitHub issue 954.

* Use setrgbf and setrgbb terminfo(5) capabilities to set RGB colours, if they
  are available. (Tc is still supported as well.)

* Fix redrawing panes when they are resized several times but end up with the
  size unchanged (for example, splitw/resizep -Z/breakp).

* Major rewrite of choose mode. Now includes preview, sorting, searching and
  tagging; commands that can be executed directly from the mode (for example,
  to delete one or more buffers); and filtering in tree mode.

* choose-window and choose-session are now aliases of choose-tree (in the
  command-alias option).

* Support OSC 10 and OSC 11 to set foreground and background colours.

* Check the U8 capability to determine whether to use UTF-8 line drawing
  characters for ACS.

* Some missing notifications for layout changes.

* Control mode clients now do not affect session sizes until they issue
  refresh-client -C. new-session -x and -y works with control clients even if
  the session is not detached.

* All new sessions that are unattached (whether with -d or started with no
  terminal) are now created with size 80 x 24. Whether the status line is on or
  off does not affect the size of new sessions until they are attached.

* Expand formats in option names and add -F flag to expand them in option values.

* Remember the search string for a pane even if copy mode is exited and entered
  again.

* Some further BCE fixes (scroll up, reverse index).

* Improvements to how terminals are cleared (entirely or partially).

CHANGES FROM 2.4 TO 2.5, 09 May 2017

* Reset updated flag when restarting #() command so that new output is properly
  recognised. GitHub issue 922.

* Fix ECH with a background colour.

* Do not rely on the terminal not moving the cursor after DL or EL.

* Fix send-keys and send-prefix in copy-mode (so C-b C-b works). GitHub issue
  905.

* Set the current pane for rotate-window so it works in command sequences.

* Add pane_mode format.

* Differentiate M-Up from Escape+Up when possible (that is, in terminals with
  xterm(1) style function keys). GitHub issue 907.

* Add session_stack and window_stack_index formats.

* Some new control mode notifications and corresponding hooks:
  pane-mode-changed, window-pane-changed, client-session-changed,
  session-window-changed.

* Format pane_search_string for last search term while in copy mode (useful
  with command-prompt -I).

* Fix a problem with high CPU usage and multiple clients with #(). GitHub issue
  889.

* Fix UTF-8 combining characters in column 0.

* Fix reference counting so that panes are properly destroyed and their
  processes killed.

* Clamp SU (CSI S) parameter to work around a bug in Konsole.

* Tweak line wrapping in full width panes to play more nicely with terminal
  copy and paste.

* Fix when we emit SGR 0 in capture-pane -e.

* Do not change TERM until after config file parsing has finished, so that
  commands run inside the config file can use it to make decisions (typically
  about default-terminal).

* Make the initial client wait until config file parsing has finished to avoid
  racing with commands.

* Fix core when if-shell fails.

* Only use ED to clear screen if the pane is at the bottom.

* Fix multibyte UTF-8 output.

* Code improvements around target (-t) resolution.

* Change how the default target (for commands without -t) is managed across
  command sequences: now it is set up at the start and commands are required
  to update it if needed. Fixes binding command sequences to mouse keys.

* Make if-shell from the config file work correctly.

* Change to always check the root key table if no binding is found in the
  current table (prefix table or copy-mode table or whatever). This means that
  root key bindings will take effect even in copy mode, if not overridden by a
  copy mode key binding.

* Fix so that the history file works again.

* Run config file without a client rather than using the first client, restores
  previous behaviour.

* If a #() command doesn't exit, continue to read from it and use its last full
  line of output.

* Handle slow terminals and fast output better: when the amount of data
  outstanding gets too large, discard output until it is drained and we are
  able to do a full redraw. Prevents tmux sitting on a huge buffer that the
  terminal will take forever to consume.

* Do not redraw a client unless we realistically think it can accept the data -
  defer redraws until the client has nothing else waiting to write.

diffstat:

 external/bsd/tmux/dist/CHANGES                |  225 +++++-
 external/bsd/tmux/dist/Makefile.am            |   11 +-
 external/bsd/tmux/dist/Makefile.in            |   51 +-
 external/bsd/tmux/dist/README                 |    9 +-
 external/bsd/tmux/dist/TODO                   |   36 +-
 external/bsd/tmux/dist/aclocal.m4             |  214 +++-
 external/bsd/tmux/dist/alerts.c               |  183 ++--
 external/bsd/tmux/dist/arguments.c            |    5 +-
 external/bsd/tmux/dist/cfg.c                  |   57 +-
 external/bsd/tmux/dist/cmd-break-pane.c       |   24 +-
 external/bsd/tmux/dist/cmd-choose-tree.c      |  220 +-----
 external/bsd/tmux/dist/cmd-command-prompt.c   |   32 +-
 external/bsd/tmux/dist/cmd-confirm-before.c   |   23 +-
 external/bsd/tmux/dist/cmd-copy-mode.c        |   17 +-
 external/bsd/tmux/dist/cmd-detach-client.c    |   18 +-
 external/bsd/tmux/dist/cmd-display-panes.c    |   26 +-
 external/bsd/tmux/dist/cmd-find-window.c      |  232 +----
 external/bsd/tmux/dist/cmd-find.c             |  509 ++++++------
 external/bsd/tmux/dist/cmd-join-pane.c        |   20 +-
 external/bsd/tmux/dist/cmd-kill-pane.c        |    6 +-
 external/bsd/tmux/dist/cmd-kill-session.c     |    8 +-
 external/bsd/tmux/dist/cmd-kill-window.c      |    8 +-
 external/bsd/tmux/dist/cmd-list-buffers.c     |    2 +-
 external/bsd/tmux/dist/cmd-list-clients.c     |    6 +-
 external/bsd/tmux/dist/cmd-list-keys.c        |    6 +-
 external/bsd/tmux/dist/cmd-list-panes.c       |    8 +-
 external/bsd/tmux/dist/cmd-list-sessions.c    |    2 +-
 external/bsd/tmux/dist/cmd-list-windows.c     |    8 +-
 external/bsd/tmux/dist/cmd-lock-server.c      |   19 +-
 external/bsd/tmux/dist/cmd-move-window.c      |   31 +-
 external/bsd/tmux/dist/cmd-pipe-pane.c        |   47 +-
 external/bsd/tmux/dist/cmd-refresh-client.c   |   12 +-
 external/bsd/tmux/dist/cmd-rename-session.c   |    4 +-
 external/bsd/tmux/dist/cmd-rename-window.c    |    4 +-
 external/bsd/tmux/dist/cmd-resize-pane.c      |   69 +-
 external/bsd/tmux/dist/cmd-respawn-pane.c     |   28 +-
 external/bsd/tmux/dist/cmd-respawn-window.c   |   27 +-
 external/bsd/tmux/dist/cmd-rotate-window.c    |    7 +-
 external/bsd/tmux/dist/cmd-run-shell.c        |   18 +-
 external/bsd/tmux/dist/cmd-save-buffer.c      |    1 +
 external/bsd/tmux/dist/cmd-select-layout.c    |    8 +-
 external/bsd/tmux/dist/cmd-select-pane.c      |   36 +-
 external/bsd/tmux/dist/cmd-select-window.c    |   25 +-
 external/bsd/tmux/dist/cmd-set-environment.c  |    6 +-
 external/bsd/tmux/dist/cmd-set-hook.c         |    8 +-
 external/bsd/tmux/dist/cmd-set-option.c       |   98 +-
 external/bsd/tmux/dist/cmd-show-environment.c |    8 +-
 external/bsd/tmux/dist/cmd-show-options.c     |   23 +-
 external/bsd/tmux/dist/cmd-swap-pane.c        |   12 +-
 external/bsd/tmux/dist/cmd-swap-window.c      |   12 +-
 external/bsd/tmux/dist/cmd-switch-client.c    |   37 +-
 external/bsd/tmux/dist/cmd.c                  |  188 ----
 external/bsd/tmux/dist/compat.h               |   18 +-
 external/bsd/tmux/dist/compat/daemon-darwin.c |   85 ++
 external/bsd/tmux/dist/compat/fdforkpty.c     |   34 +
 external/bsd/tmux/dist/compat/memmem.c        |   65 +
 external/bsd/tmux/dist/configure              |  225 +++++-
 external/bsd/tmux/dist/configure.ac           |   33 +-
 external/bsd/tmux/dist/control-notify.c       |   71 +-
 external/bsd/tmux/dist/etc/config.guess       |  165 ++-
 external/bsd/tmux/dist/etc/config.sub         |   56 +-
 external/bsd/tmux/dist/etc/install-sh         |   23 +-
 external/bsd/tmux/dist/grid-view.c            |   18 +-
 external/bsd/tmux/dist/key-string.c           |   14 +-
 external/bsd/tmux/dist/layout-set.c           |    5 +
 external/bsd/tmux/dist/mode-tree.c            |  920 ++++++++++++++++++++++++
 external/bsd/tmux/dist/names.c                |    6 +-
 external/bsd/tmux/dist/options-table.c        |   73 +-
 external/bsd/tmux/dist/resize.c               |    5 +
 external/bsd/tmux/dist/screen-redraw.c        |    2 +-
 external/bsd/tmux/dist/server.c               |   63 +-
 external/bsd/tmux/dist/window-buffer.c        |  382 ++++++++++
 external/bsd/tmux/dist/window-client.c        |  376 +++++++++
 external/bsd/tmux/dist/window-clock.c         |    8 +-
 external/bsd/tmux/dist/window-tree.c          |  991 ++++++++++++++++++++++++++
 external/bsd/tmux/dist/xterm-keys.c           |   12 +-
 76 files changed, 4806 insertions(+), 1538 deletions(-)

diffs (truncated from 9828 to 300 lines):

diff -r 7901c0fa64d6 -r 79bf542af1c4 external/bsd/tmux/dist/CHANGES
--- a/external/bsd/tmux/dist/CHANGES    Thu Oct 12 20:54:36 2017 +0000
+++ b/external/bsd/tmux/dist/CHANGES    Thu Oct 12 21:59:47 2017 +0000
@@ -1,4 +1,200 @@
-CHANGES FROM 2.3 to 2.4 20 April 2017
+CHANGES FROM 2.5 TO 2.6, 05 October 2017
+
+* Add select-pane -T to set pane title.
+
+* Fix memory leak when lines with BCE are removed from history.
+
+* Fix (again) the "prefer unattached" behaviour of attach-session.
+
+* Reorder how keys are checked to allow keys to be specified that have a
+  leading escape. GitHub issue 1048.
+
+* Support REP escape sequence (\033[b).
+
+* Run alert hooks based on options rather than always, and allow further bells
+  even if there is an existing bell.
+
+* Add -d flag to display-panes to override display-panes-time.
+
+* Add selection_present format when in copy mode (allows key bindings that do
+  something different if there is a selection).
+
+* Add pane_at_left, pane_at_right, pane_at_top and pane_at_bottom formats.
+
+* Make bell, activity and silence alerting more consistent by: removing the
+  bell-on-alert option; adding activity-action and silence-action options with
+  the same possible values as the existing bell-action; adding a "both" value
+  for the visual-bell, visual-activity and visual-silence options to trigger
+  both a bell and a message.
+
+* Add a pane_pipe format to show if pipe-pane is active.
+
+* Block signals between forking and resetting signal handlers so that the
+  libevent signal handler doesn't get called in the child and incorrectly write
+  into the signal pipe that it still shares with the parent. GitHub issue 1001.
+
+* Allow punctuation in pane_current_command.
+
+* Add -c for respawn-pane and respawn-window.
+
+* Wait for any remaining data to flush when a pane is closed while pipe-pane is
+  in use.
+
+* Fix working out current client with no target. GitHub issue 995.
+
+* Try to fallback to C.UTF-8 as well as en_US.UTF-8 when looking for a UTF-8
+  locale.
+
+* Add user-keys option for user-defined key escape sequences (mapped to User0
+  to User999 keys).
+
+* Add pane-set-clipboard hook.
+
+* FAQ file has moved out of repository to online.
+
+* Fix problem with high CPU usage when a client dies unexpectedly. GitHub issue
+  941.
+
+* Do a dance on OS X 10.10 and above to return tmux to the user namespace,
+  allowing access to the clipboard.
+
+* Do not allow escape sequences which expect a specific terminator (APC, DSC,
+  OSC) to wait for forever - use a small timeout. This reduces the chance of
+  the pane locking up completely when sent garbage (cat /dev/random or
+  similar).
+
+* Support SIGUSR2 to toggle logging on a running server, also generate the
+  "out" log file with -vv not -vvvv.
+
+* Make set-clipboard a three state option: on (tmux both sends to outside
+  terminal and accepts from applications inside); external (tmux sends outside
+  but does not accept inside); and off.
+
+* Fix OSC 4 palette setting for bright foreground colours. GitHub issue 954.
+
+* Use setrgbf and setrgbb terminfo(5) capabilities to set RGB colours, if they
+  are available. (Tc is still supported as well.)
+
+* Fix redrawing panes when they are resized several times but end up with the
+  size unchanged (for example, splitw/resizep -Z/breakp).
+
+* Major rewrite of choose mode. Now includes preview, sorting, searching and
+  tagging; commands that can be executed directly from the mode (for example,
+  to delete one or more buffers); and filtering in tree mode.
+
+* choose-window and choose-session are now aliases of choose-tree (in the
+  command-alias option).
+
+* Support OSC 10 and OSC 11 to set foreground and background colours.
+
+* Check the U8 capability to determine whether to use UTF-8 line drawing
+  characters for ACS.
+
+* Some missing notifications for layout changes.
+
+* Control mode clients now do not affect session sizes until they issue
+  refresh-client -C. new-session -x and -y works with control clients even if
+  the session is not detached.
+
+* All new sessions that are unattached (whether with -d or started with no
+  terminal) are now created with size 80 x 24. Whether the status line is on or
+  off does not affect the size of new sessions until they are attached.
+
+* Expand formats in option names and add -F flag to expand them in option values.
+
+* Remember the search string for a pane even if copy mode is exited and entered
+  again.
+
+* Some further BCE fixes (scroll up, reverse index).
+
+* Improvements to how terminals are cleared (entirely or partially).
+
+CHANGES FROM 2.4 TO 2.5, 09 May 2017
+
+* Reset updated flag when restarting #() command so that new output is properly
+  recognised. GitHub issue 922.
+
+* Fix ECH with a background colour.
+
+* Do not rely on the terminal not moving the cursor after DL or EL.
+
+* Fix send-keys and send-prefix in copy-mode (so C-b C-b works). GitHub issue
+  905.
+
+* Set the current pane for rotate-window so it works in command sequences.
+
+* Add pane_mode format.
+
+* Differentiate M-Up from Escape+Up when possible (that is, in terminals with
+  xterm(1) style function keys). GitHub issue 907.
+
+* Add session_stack and window_stack_index formats.
+
+* Some new control mode notifications and corresponding hooks:
+  pane-mode-changed, window-pane-changed, client-session-changed,
+  session-window-changed.
+
+* Format pane_search_string for last search term while in copy mode (useful
+  with command-prompt -I).
+
+* Fix a problem with high CPU usage and multiple clients with #(). GitHub issue
+  889.
+
+* Fix UTF-8 combining characters in column 0.
+
+* Fix reference counting so that panes are properly destroyed and their
+  processes killed.
+
+* Clamp SU (CSI S) parameter to work around a bug in Konsole.
+
+* Tweak line wrapping in full width panes to play more nicely with terminal
+  copy and paste.
+
+* Fix when we emit SGR 0 in capture-pane -e.
+
+* Do not change TERM until after config file parsing has finished, so that
+  commands run inside the config file can use it to make decisions (typically
+  about default-terminal).
+
+* Make the initial client wait until config file parsing has finished to avoid
+  racing with commands.
+
+* Fix core when if-shell fails.
+
+* Only use ED to clear screen if the pane is at the bottom.
+
+* Fix multibyte UTF-8 output.
+
+* Code improvements around target (-t) resolution.
+
+* Change how the default target (for commands without -t) is managed across
+  command sequences: now it is set up at the start and commands are required
+  to update it if needed. Fixes binding command sequences to mouse keys.
+
+* Make if-shell from the config file work correctly.
+
+* Change to always check the root key table if no binding is found in the
+  current table (prefix table or copy-mode table or whatever). This means that
+  root key bindings will take effect even in copy mode, if not overridden by a
+  copy mode key binding.
+
+* Fix so that the history file works again.
+
+* Run config file without a client rather than using the first client, restores
+  previous behaviour.
+
+* If a #() command doesn't exit, continue to read from it and use its last full
+  line of output.
+
+* Handle slow terminals and fast output better: when the amount of data
+  outstanding gets too large, discard output until it is drained and we are
+  able to do a full redraw. Prevents tmux sitting on a huge buffer that the
+  terminal will take forever to consume.
+
+* Do not redraw a client unless we realistically think it can accept the data -
+  defer redraws until the client has nothing else waiting to write.
+ 
+CHANGES FROM 2.3 TO 2.4, 20 April 2017
 
 Incompatible Changes
 ====================
@@ -23,12 +219,12 @@
     bind -Tcopy-mode C-Up send -X scroll-up
     bind -Tcopy-mode WheelUpPane send -N5 -X scroll-up
 
-  This changes allows the full command parser (including command sequences) and
+  These changes allows the full command parser (including command sequences) and
   command set to be used - for example, the normal command prompt with editing
   and history is now used for searching, jumping, and so on instead of a custom
   one. The default C-r binding is now:
 
-    bind -Tcopy-mode C-r command-prompt -p'search up' "send -X search-backward '%%'"
+    bind -Tcopy-mode C-r command-prompt -i -p'search up' "send -X search-backward-incremental '%%'"
 
   There are also some new commmands available with send -X, such as
   copy-pipe-and-cancel.
@@ -78,7 +274,7 @@
   set -ag syntax should work without change).
 * There have been substantial performance improvements.
 
-CHANGES FROM 2.2 to 2.3 29 September 2016
+CHANGES FROM 2.2 TO 2.3, 29 September 2016
 
 Incompatible Changes
 ====================
@@ -99,7 +295,7 @@
 * 'display-panes' can now accept a command to run, rather than always
   selecting the pane.
 
-CHANGES FROM 2.1 to 2.2 10 April 2016
+CHANGES FROM 2.1 TO 2.2, 10 April 2016
 
 Incompatible Changes
 ====================
@@ -164,8 +360,7 @@
 * RGB (24bit) colour support.  The 'Tc' flag must be set in the external TERM
   entry (using terminal-overrides or a custom terminfo entry).
 
-
-CHANGES FROM 2.0 to 2.1 18 October 2015
+CHANGES FROM 2.0 TO 2.1, 18 October 2015
 
 Incompatible Changes
 ====================
@@ -216,7 +411,7 @@
 * Copy mode is exited if the history is cleared whilst in copy-mode.
 * 'copy-mode' learned '-e' to exit copy-mode when scrolling to end.
 
-CHANGES FROM 1.9a to 2.0 6 March 2015
+CHANGES FROM 1.9a TO 2.0, 06 March 2015
 
 Incompatible Changes
 ====================
@@ -275,9 +470,9 @@
 * 'split-window' and 'join-window' understand -b to create the pane to the left
   or above the target pane.
 
-CHANGES FROM 1.9 to 1.9a 22 February 2014
-
-NOTE:  This is a bug-fix release to address some important bugs which just
+CHANGES FROM 1.9 TO 1.9a, 22 February 2014
+
+NOTE: This is a bug-fix release to address some important bugs which just
 missed the 1.9 deadline, but were found afterwards.
 
 Normal Changes
@@ -286,7 +481,7 @@
 * Fix crash due to uninitialized lastwp member of layout_cell
 * Fix -fg/-bg/-style with 256 colour terminals.  
 
-CHANGES FROM 1.8 to 1.9, 20 February 2014
+CHANGES FROM 1.8 TO 1.9, 20 February 2014
 
 NOTE:  This release has bumped the tmux protocol version.  It is therefore
 advised that the prior tmux server is restarted when this version of tmux is
@@ -341,7 +536,7 @@
 * tmux now supports 256 colours running under fbterm.
 * Many bug fixes!
 
-CHANGES FROM 1.7 to 1.8, 26 March 2013
+CHANGES FROM 1.7 TO 1.8, 26 March 2013
 
 Incompatible Changes
 ====================
@@ -392,7 +587,7 @@
 * Lots and lots of bug fixes, fixing memory-leaks, etc.
 * Various manpage improvements.
 
-CHANGES FROM 1.6 to 1.7, 13 October 2012
+CHANGES FROM 1.6 TO 1.7, 13 October 2012
 
 * tmux configuration files now support line-continuation with a "\" at the
   end of a line.
@@ -783,7 +978,7 @@
 * xterm-keys rewrite.
 * Additional code reduction, and bug fixes.
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