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+# References
+https://www.gnu.org/software/emacs/refcards/pdf/refcard.pdf
+https://www.gnu.org/software/emacs/manual/html_node/elisp/Key-Binding-Conventions.html
+
+# General commands
+C-x C-c                                         Quit Emacs
+C-u C-x C-c                                     Save and quit
+C-g                                             Cancel command
+C-/                                             Undo
+C-g C-/                                         Undo undo
+C-x z                                           Repeat last command
+M-x                                             Execute command
+M-:                                             Evaluate expression as elisp
+M-x eval-buffer                                 Load current buffer as elisp
+C-x C-0                                         Reset font to standard
+C-x C-+/=                                       Increase font size
+C-x C--                                         Decrease font size
+
+# Help
+C-h C-h                                         Help
+C-h k                                           Help about key binding
+C-h v                                           Describe variable
+C-h f                                           Describe function
+C-h m                                           Documentation on active modes
+
+# Search
+C-s                                             Search forward (ivy/swiper mode)
+C-r                                             Resume ivy search
+M-s .                                           Search for symbol around point
+C-s                                             Find next item (while searching)
+Backspace                                       Previous search (while searching)
+M-%                                             Search and replace
+M-x linum-mode                                  Display line numbers
+
+# Files/buffers
+C-x C-s                                         Save current buffer
+C-x s                                           Save some buffers
+C-x C-w                                         Write buffer to file
+C-x C-f                                         Find file
+C-x f                                           Find file
+C-c f                                           Find files in git repository
+C-c g                                           Grep in git repository
+M-x find-file-at-point                         Find (open) filename at point
+M-x browse-url-at-point                                Browse URL at point
+C-x k                                           Kill buffer
+C-x C-k                                         Kill all buffers that are not visible
+C-x b                                           Select named buffer
+C-x C-b                                         Show all buffers
+C-x C-r                                         Show recent files
+M-x scratch-buffer                              Create new scratch buffer
+
+# Windows/frames
+C-x o                                           Switch to other window
+C-x 0                                           Delete window
+C-x 1                                           Switch to single window
+C-x 2                                           Split vertically
+C-x 3                                           Split horizontally
+C-x -                                           Shrink window
+C-x +                                           Make windows the same height
+C-x ^                                           Make window taller
+C-Up / C-Down / C-Left / C-Right                Switch windows
+M-x make-frame                                  New frame (X11 window)
+
+# Movement
+M-m                                             Jump back to start of indentation
+M-r                                             Jump to window top/bottom/middle
+M-g M-g                                         Jump to line
+M-g Tab                                         Jump to column
+M-g j                                           Jump to character
+C-a                                             Beginning of line
+C-e                                             End of line
+C-p                                             Back one line
+C-n                                             Forward one line
+C-b                                             Back one character
+C-n                                             Forward one character
+M-b                                             Back a word
+M-f                                             Forward a word
+M-a                                             Backward sentence
+M-e                                             Forward sentence
+M-v                                             Back page
+C-v                                             Forward page
+M-{                                             Back one paragraph
+M-}                                             Forward one paragraph
+M-<                                             Top of file
+M->                                             End of file
+C-M-p                                           Back to start of balanced expression
+C-M-n                                           Forward to end of balanced expression
+C-M-b                                           Back one s-expression / symbol
+C-M-f                                           Forward one s-expression / symbol
+C-M-u                                           Move up one level of parentheses
+
+# Text formatting
+M-/                                             Auto-complete
+M-;                                             Comment line or region
+M-i                                             Change inner region
+M-q                                             Reformat paragraph
+M-l                                             Lower case word
+M-u                                             Upper case word
+M-c                                             Capitalise word
+C-x C-l                                         Lower case region
+C-x C-u                                         Upper case region
+C-o                                             Insert a new line above point
+M-o                                            Insert a new line below point
+C-j                                             Newline and maybe indent
+M-^                                             Join to previous line
+M-j                                            New line with comment
+C-q                                            Quoted insert
+
+# Marking
+C-Space                                         Set mark (start selection)
+C-Space C-Space                                 Set mark to point
+C-u C-space                                     Return to mark
+C-x C-x                                         Exchange point and mark
+C-M-h                                           Highlight expression
+M-@                                             Set mark at end of next word
+C-=                                             Expand region
+C-c l                                           Insert extra cursor on all lines in region
+C-c m                                           Ask to insert extra cursor at locations matching selected region
+M-=                                             Display info about region
+
+# Killing and deleting
+C-M-k                                           Kill s-expression / symbol
+C-w                                             Kill from mark to point
+C-y                                             Yank text (paste)
+M-y                                             Scroll through kill ring (paste buffer)
+M-_                                             Select current line
+M-z <char>                                      Kill until <char>
+C-k                                             Kill to end of line
+M-0 C-k                                         Kill to beginning of line
+C-a C-k C-k                                     Kill current line
+C-S-Backspace                                   Kill current line
+C-d                                             Delete next character
+M-d                                             Delete next word
+M-Backspace                                     Delete previous word
+M-Space                                         Collpase to one space around point
+M-\                                             Delete spaces around point
+C-x C-o                                         Collapse blank lines
+M-x delete-trailing-whitespace                  Delete trailing whitespace
+
+# Transposing
+C-t                                             Transpose chars
+M-t                                             Transpose words
+C-x C-t                                         Transpose lines
+C-M-t                                           Transpose s-expressions
+
+# Rectangle
+C-x Space                                       Toggle mark rectangle mode
+C-x r t                                         Replace rectangle with string
+
+# Macros
+F3 , F4                                         Start recording macro, finish recording macro
+C-u F3                                          Play last macro then append keys
+F4                                              Play back macro
+
+# Mode switching
+C-x C-j                                         Open dired at current file
+F8                                              Toggle flyspell-mode
+F9                                              Toggle whitespace mode
+F10                                             Toggle word wrap
+M-x eshell                                      Run eshell
+M-x ielm                                        Run Emacs Lisp REPL
+M-x shell                                       Run bash shell
+M-x slime                                       Run Common Lisp REPL
+M-x smerge-mode                                 Resolve merge conflicts
+M-x restclient                                  Open HTTP client
+M-x yas-reload-all                              Reload all snippets
+
+# Lisp
+C-M-x                                           Eval top-level form
+C-c C-z                                         Switch to REPL
+C-c C-c                                         Compile and load the top-level form at point
+C-c M-k                                         Compile (but not load) the current buffer's file
+
+# Shell
+M-!                                             Execute command
+M-&                                             Execute command asynchronously
+M-|                                             Execute with region
+C-u M-|                                         Filter with region
+
+# Smerge mode
+C-c ^ p                                         Go to previous hunk
+C-c ^ n                                         Go to next hunk
+C-c ^ Return                                    Keep current
+C-c ^ a                                         Keep all
+C-c ^ m                                         Keep mine
+C-c ^ o                                         Keep other
+
+# Flyspell
+M-$                                             Correct word
+C-M-i                                           Automatically correct word
+C-;                                             Automatically correct last word
+<mouse-2>                                       Popup word correction
+
+# Flycheck
+C-c ! v                                         Verify setup
+C-c ! n                                         Next error
+C-c ! p                                         Previous error
+C-c ! l                                         List errors
+C-c ! x                                         Disable checker