Emacs: Spell Checking
ispell-word 【Alt+$】 to check spelling of current word.
flyspell-buffer to spell check whole buffer.
Move cursor to a misspelled word, then
ispell-word to correct it.
flyspell-mode to turn on spell checker as you type.
Call again to turn off.
when flyspell-mode is on, the following commands have key shortcuts.
flyspell-goto-next-error 【Ctrl+,】 to move cursor to next error. (only when
flyspell-mode is on.)
flyspell-auto-correct-word 【Ctrl+.】 to correct the word under cursor. Press the key again to swap to next suggestion.