Emacs-like buffers and windows

[mbrock]

• a buffer is a <wisp-buffer>
• a window is a <wisp-window>
• a frame is a <wisp-frame>
• windows are children of frames
• a frame contains a flat list of windows
• a frame is a CSS grid
• there are different frame grid layout styles
• a frame has an echo window
• the echo window has a fixed grid slot
• the echo window contains a minibuffer
• a window has a modeline
• a window contains a buffer
• a buffer contains a cursor
• the current buffer is bound to *buffer*
• the current window is bound to *window*
• the current frame is bound to *frame*
• a buffer can only be in one window
• a buffer doesn't have to be in a window
• the DOM is authoritative for buffer containment
• you can move a buffer using the web inspector
• hidden buffers are outside all frames