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https://github.com/magnars/multiple-cursors.el.git
synced 2025-10-13 13:03:03 +00:00
Disable multiple-cursors-mode if there's only one cursor (the real one).
This commit is contained in:
Magnar Sveen
parent
0bfd611151
commit
608ceb4b81
@ -2,13 +2,9 @@
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(lambda ()
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(delete-selection-mode 1)))
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(defun num-cursors ()
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(1+ (count-if 'mc/fake-cursor-p
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(overlays-in (point-min) (point-max)))))
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(Then "^I should have \\([0-9]+\\) cursors$"
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(lambda (num)
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(let ((actual (num-cursors)))
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(let ((actual (mc/num-cursors)))
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(assert (eq (string-to-number num) actual) nil
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"Expected to have %s cursors, but was %d." num actual))))
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@ -16,7 +12,7 @@
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(lambda ()
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(assert (not multiple-cursors-mode) nil
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"Expected to have one cursor, but multiple-cursors-mode is still active.")
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(assert (eq 1 (num-cursors)) nil
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(assert (eq 1 (mc/num-cursors)) nil
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"Expected to have one cursor, but there are still fake cursor overlays.")))
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(When "^I press \"\\(.+\\)\"$"
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@ -178,10 +178,15 @@ cursor with updated info."
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(defun mc/prompt-for-inclusion-in-whitelist (original-command)
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"Asks the user, then adds the command either to the once-list or the all-list."
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(if (y-or-n-p (format "Do %S for all cursors?" original-command))
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(add-to-list 'mc--cmds-to-run-for-all original-command)
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(add-to-list 'mc--cmds-to-run-once original-command)
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(add-to-list 'mc--default-cmds-to-run-for-all original-command)
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(add-to-list 'mc--default-cmds-to-run-once original-command)
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nil))
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(defun mc/num-cursors ()
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"The number of cursors (real and fake) in the buffer."
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(1+ (count-if 'mc/fake-cursor-p
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(overlays-in (point-min) (point-max)))))
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(defun mc/execute-this-command-for-all-cursors ()
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"Used with post-command-hook to execute supported commands for
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all cursors. It also checks a list of explicitly unsupported
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@ -191,24 +196,26 @@ inform about the lack of support.
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Commands that are neither supported nor explicitly unsupported
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is executed normally for point, but skipped for the fake
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cursors."
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(let ((original-command (or (command-remapping this-original-command)
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this-original-command)))
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(if (eq 1 (mc/num-cursors)) ;; no fake cursors? disable mc-mode
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(multiple-cursors-mode 0)
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(let ((original-command (or (command-remapping this-original-command)
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this-original-command)))
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;; if it's a lambda, we can't know if it's supported or not
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;; - so go ahead and assume it's ok, because we're just optimistic like that
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(if (not (symbolp original-command))
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(mc/execute-command-for-all-fake-cursors original-command)
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;; if it's a lambda, we can't know if it's supported or not
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;; - so go ahead and assume it's ok, because we're just optimistic like that
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(if (not (symbolp original-command))
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(mc/execute-command-for-all-fake-cursors original-command)
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;; otherwise it's a symbol, and we can be more thorough
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(if (get original-command 'mc--unsupported)
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(message "%S is not supported with multiple cursors%s"
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original-command
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(get original-command 'mc--unsupported))
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(when (and original-command
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(not (memq original-command mc--cmds-to-run-once))
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(or (memq original-command mc--cmds-to-run-for-all)
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(mc/prompt-for-inclusion-in-whitelist original-command)))
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(mc/execute-command-for-all-fake-cursors original-command))))))
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;; otherwise it's a symbol, and we can be more thorough
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(if (get original-command 'mc--unsupported)
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(message "%S is not supported with multiple cursors%s"
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original-command
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(get original-command 'mc--unsupported))
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(when (and original-command
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(not (memq original-command mc--default-cmds-to-run-once))
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(or (memq original-command mc--default-cmds-to-run-for-all)
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(mc/prompt-for-inclusion-in-whitelist original-command)))
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(mc/execute-command-for-all-fake-cursors original-command)))))))
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(defun mc/remove-fake-cursors ()
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"Remove all fake cursors.
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@ -284,82 +291,107 @@ from being executed if in multiple-cursors-mode."
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(overlay-put cursor 'kill-ring-yank-pointer kill-ring-yank-pointer)))))))
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;;----------------------------------------------------------------------------------------
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;; Commands to run only once (don't need to message about skipping it)
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(setq mc--cmds-to-run-once '(mark-next-like-this
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save-buffer
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undo
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undo-tree-undo
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undo-tree-redo
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universal-argument
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universal-argument-other-key
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mc/switch-from-mark-multiple-to-cursors
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mc/edit-lines
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mc/edit-ends-of-lines
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mc/edit-beginnings-of-lines))
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(defvar mc--default-cmds-to-run-once '(save-buffer
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ido-exit-minibuffer
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undo undo-tree-undo
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redo undo-tree-redo
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universal-argument
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universal-argument-other-key
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top-level
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mc/switch-from-mark-multiple-to-cursors
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mc/edit-lines
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mc/edit-ends-of-lines
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mc/edit-beginnings-of-lines
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mc/mark-next-like-this)
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"Default set of commands to run only once in multiple-cursors-mode.")
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(defvar mc/cmds-to-run-once nil
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"Commands to run only once in multiple-cursors-mode.")
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(defvar mc--default-cmds-to-run-for-all '(mc/keyboard-quit
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self-insert-command
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previous-line
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next-line
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newline
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newline-and-indent
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join-line
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right-char
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right-word
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forward-char
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forward-word
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left-char
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left-word
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backward-char
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backward-word
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upcase-word
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downcase-word
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capitalize-word
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forward-list
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backward-list
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hippie-expand
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hippie-expand-lines
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yank
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yank-pop
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kill-word
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kill-line
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kill-whole-line
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backward-kill-word
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backward-delete-char-untabify
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delete-char delete-forward-char
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delete-backward-char
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just-one-space
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zap-to-char
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end-of-line
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set-mark-command
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move-end-of-line
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beginning-of-line
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move-beginning-of-line
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kill-ring-save
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back-to-indentation
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;; mode specific commands
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org-shiftright
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sgml-slash
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slime-space
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subword-forward
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subword-backward
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subword-mark
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subword-kill
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subword-backward-kill
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subword-transpose
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subword-capitalize
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subword-upcase
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subword-downcase
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js2-beginning-of-line
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js2-end-of-line
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js2-insert-and-indent
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js2r-inline-var
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c-electric-delete-forward
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c-electric-backspace
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c-electric-paren
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c-electric-semi&comma
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;; common extension commands
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wrap-region-trigger
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yas/expand
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;; magnars extension commands
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er/expand-region
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er/contract-region
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smart-forward
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smart-backward
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smart-up
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smart-down)
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"Default set of commands that should be mirrored by all cursors")
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(defvar mc/cmds-to-run-for-all nil
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"Commands to run for all cursors in multiple-cursors-mode")
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(setq mc/cmds-to-run-for-all '(save-region-or-current-line
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kill-region-or-backward-word
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change-number-at-point
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dired-back-to-start-of-files
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yank-indented))
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;; Commands that should be mirrored by all cursors
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(setq mc--cmds-to-run-for-all '(mc/keyboard-quit
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self-insert-command
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js2-insert-and-indent
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wrap-region-trigger
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sgml-slash
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slime-space
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previous-line
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next-line
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newline
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yas/expand
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newline-and-indent
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join-line
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right-char forward-char
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right-word forward-word
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left-char backward-char
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left-word backward-word
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upcase-word
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downcase-word
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capitalize-word
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forward-list
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backward-list
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hippie-expand hippie-expand-lines
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yank yank-indented yank-pop
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kill-word
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kill-region-or-backward-word
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kill-line
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kill-whole-line
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subword-forward
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subword-backward
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subword-mark
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subword-kill
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subword-backward-kill
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subword-transpose
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subword-capitalize
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subword-upcase
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subword-downcase
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backward-kill-word
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backward-delete-char-untabify
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delete-char delete-forward-char c-electric-delete-forward
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delete-backward-char c-electric-backspace
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c-electric-paren
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c-electric-semi&comma
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org-shiftright
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just-one-space
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zap-to-char
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end-of-line
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set-mark-command
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js2-beginning-of-line
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js2-end-of-line
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js2r-inline-var
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change-number-at-point
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move-end-of-line
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beginning-of-line
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er/expand-region
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er/mark-word
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smart-forward
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smart-backward
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smart-up
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smart-down
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move-beginning-of-line
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dired-back-to-start-of-files
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kill-ring-save save-region-or-current-line
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back-to-indentation))
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(provide 'multiple-cursors-core)
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