147 ;;Quote: Emacs is a real-time display editor which can be extended by the user while it is running

147+;;Quote: Emacs users can add and replace functions and modules; writing their definitions in the same language used for writing Emacs

147 ;;Quote: an Emacs library is a coherent set of new and redefined functions that extend the basic system

147+;;Quote: an Emacs library is a publication medium for users to share their extensions without interference

147 ;;Quote: since Emacs allows user customization, the whole user community becomes a source and testing ground for new ideas

150 ;;Quote: each function in an Emacs library includes documentation for the help system

147 ;;Quote: Emacs includes a complete, interactive, self-documenting help system; allows effective use of Emac's many features

149 ;;Quote: EMACS commands report the range of modified text. The display processor updates the screen to match the text one change at a time

150 ;;Quote: a programmable editor should not use the same commands for editing and programming; otherwise the programs are hard to read

152 ;;Quote: global variables are essential for customization; e.g., 'comment start' for recognizing the start of a comment in text

152+;;Quote: users can view and modify global variables if the names are known at run-time

152 ;;Quote: with dynamic scope, a function can temporarily modify editing commands; e.g., for picture editing

152 ;;Quote: a hook is a function invoked by an event; e.g., on loading a library or modifying a variable