# 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

# 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-S-Backspace                                   Delete 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

# Lisp
M-:                                             Evaluate expression as elisp
M-x eval-buffer                                 Load current buffer as elisp
M-x eval-region                                 Load current region as elisp
M-x ielm                                        Run elisp REPL

# Shell
M-!                                             Execute command
M-&                                             Execute command asynchronously
M-|                                             Execute with region
C-u M-|                                         Filter with region
M-x shell                                       Start a shell

# Dired
C-x C-j                                         Open dired at current file

# Flyspell
F8                                              Toggle flyspell-mode
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